diff --git a/roles/matrix-backup-borg/defaults/main.yml b/roles/matrix-backup-borg/defaults/main.yml
index 906522c24..5003c26c6 100644
--- a/roles/matrix-backup-borg/defaults/main.yml
+++ b/roles/matrix-backup-borg/defaults/main.yml
@@ -1,4 +1,6 @@
 ---
+# Project source code URL: https://gitlab.com/etke.cc/borgmatic
+
 matrix_backup_borg_enabled: true
 
 matrix_backup_borg_base_path: "{{ matrix_base_data_path }}/backup-borg"
diff --git a/roles/matrix-bot-buscarron/defaults/main.yml b/roles/matrix-bot-buscarron/defaults/main.yml
index 56686f42f..aff54ceb0 100644
--- a/roles/matrix-bot-buscarron/defaults/main.yml
+++ b/roles/matrix-bot-buscarron/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # buscarron is a helpdesk bot
-# See: https://gitlab.com/etke.cc/buscarron
+# Project source code URL: https://gitlab.com/etke.cc/buscarron
 
 matrix_bot_buscarron_enabled: true
 
diff --git a/roles/matrix-bot-go-neb/defaults/main.yml b/roles/matrix-bot-go-neb/defaults/main.yml
index fa57b1095..31cb27d67 100644
--- a/roles/matrix-bot-go-neb/defaults/main.yml
+++ b/roles/matrix-bot-go-neb/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # Go-NEB is a Matrix bot written in Go. It is the successor to Matrix-NEB, the original Matrix bot written in Python.
-# See: https://github.com/matrix-org/go-neb
+# Project source code URL: https://github.com/matrix-org/go-neb
 
 matrix_bot_go_neb_enabled: true
 matrix_bot_go_neb_version: latest
diff --git a/roles/matrix-bot-honoroit/defaults/main.yml b/roles/matrix-bot-honoroit/defaults/main.yml
index 292de0bf4..665c64e9c 100644
--- a/roles/matrix-bot-honoroit/defaults/main.yml
+++ b/roles/matrix-bot-honoroit/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # honoroit is a helpdesk bot
-# See: https://gitlab.com/etke.cc/honoroit
+# Project source code URL: https://gitlab.com/etke.cc/honoroit
 
 matrix_bot_honoroit_enabled: true
 
diff --git a/roles/matrix-bot-matrix-registration-bot/defaults/main.yml b/roles/matrix-bot-matrix-registration-bot/defaults/main.yml
index 40538478e..6cd0d15ae 100644
--- a/roles/matrix-bot-matrix-registration-bot/defaults/main.yml
+++ b/roles/matrix-bot-matrix-registration-bot/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # matrix-registration-bot creates and manages registration tokens for a matrix server
-# See: https://github.com/moan0s/matrix-registration-bot
+# Project source code URL: https://github.com/moan0s/matrix-registration-bot
 
 matrix_bot_matrix_registration_bot_enabled: true
 matrix_bot_matrix_registration_bot_container_image_self_build: false
diff --git a/roles/matrix-bot-matrix-reminder-bot/defaults/main.yml b/roles/matrix-bot-matrix-reminder-bot/defaults/main.yml
index 0fdf8a415..48e6f07b4 100644
--- a/roles/matrix-bot-matrix-reminder-bot/defaults/main.yml
+++ b/roles/matrix-bot-matrix-reminder-bot/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # matrix-reminder-bot is a bot for one-off and recurring reminders
-# See: https://github.com/anoadragon453/matrix-reminder-bot
+# Project source code URL: https://github.com/anoadragon453/matrix-reminder-bot
 
 matrix_bot_matrix_reminder_bot_enabled: true
 
diff --git a/roles/matrix-bot-mjolnir/defaults/main.yml b/roles/matrix-bot-mjolnir/defaults/main.yml
index 714cd0d36..94d04e782 100644
--- a/roles/matrix-bot-mjolnir/defaults/main.yml
+++ b/roles/matrix-bot-mjolnir/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # A moderation tool for Matrix
-# See: https://github.com/matrix-org/mjolnir
+# Project source code URL: https://github.com/matrix-org/mjolnir
 
 matrix_bot_mjolnir_enabled: true
 
diff --git a/roles/matrix-bridge-appservice-discord/defaults/main.yml b/roles/matrix-bridge-appservice-discord/defaults/main.yml
index b2ef2cdf5..f3e39f24f 100644
--- a/roles/matrix-bridge-appservice-discord/defaults/main.yml
+++ b/roles/matrix-bridge-appservice-discord/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # matrix-appservice-discord is a Matrix <-> Discord bridge
-# See: https://github.com/Half-Shot/matrix-appservice-discord
+# Project source code URL: https://github.com/Half-Shot/matrix-appservice-discord
 
 matrix_appservice_discord_enabled: true
 
diff --git a/roles/matrix-bridge-appservice-irc/defaults/main.yml b/roles/matrix-bridge-appservice-irc/defaults/main.yml
index d0843836d..52554f61b 100644
--- a/roles/matrix-bridge-appservice-irc/defaults/main.yml
+++ b/roles/matrix-bridge-appservice-irc/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # Matrix Appservice IRC is a Matrix <-> IRC bridge
-# See: https://github.com/matrix-org/matrix-appservice-irc
+# Project source code URL: https://github.com/matrix-org/matrix-appservice-irc
 
 matrix_appservice_irc_enabled: true
 
diff --git a/roles/matrix-bridge-appservice-slack/defaults/main.yml b/roles/matrix-bridge-appservice-slack/defaults/main.yml
index ae3f55df6..91a00d3db 100644
--- a/roles/matrix-bridge-appservice-slack/defaults/main.yml
+++ b/roles/matrix-bridge-appservice-slack/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # matrix-appservice-slack is a Matrix <-> Slack bridge
-# See: https://github.com/matrix-org/matrix-appservice-slack
+# Project source code URL: https://github.com/matrix-org/matrix-appservice-slack
 
 matrix_appservice_slack_enabled: true
 
diff --git a/roles/matrix-bridge-appservice-webhooks/defaults/main.yml b/roles/matrix-bridge-appservice-webhooks/defaults/main.yml
index 223b9c0b3..e7ea26ed3 100644
--- a/roles/matrix-bridge-appservice-webhooks/defaults/main.yml
+++ b/roles/matrix-bridge-appservice-webhooks/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # matrix-appservice-webhooks is a Matrix <-> webhook bridge
-# See: https://github.com/redoonetworks/matrix-appservice-webhooks
+# Project source code URL: https://github.com/redoonetworks/matrix-appservice-webhooks
 
 matrix_appservice_webhooks_enabled: true
 
diff --git a/roles/matrix-bridge-beeper-linkedin/defaults/main.yml b/roles/matrix-bridge-beeper-linkedin/defaults/main.yml
index 514cfb142..498e4894d 100644
--- a/roles/matrix-bridge-beeper-linkedin/defaults/main.yml
+++ b/roles/matrix-bridge-beeper-linkedin/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # beeper-linkedin is a Matrix <-> LinkedIn bridge
-# See: https://gitlab.com/beeper/linkedin
+# Project source code URL: https://gitlab.com/beeper/linkedin
 
 matrix_beeper_linkedin_enabled: true
 
diff --git a/roles/matrix-bridge-go-skype-bridge/defaults/main.yml b/roles/matrix-bridge-go-skype-bridge/defaults/main.yml
index b6b4db346..5e31b0450 100644
--- a/roles/matrix-bridge-go-skype-bridge/defaults/main.yml
+++ b/roles/matrix-bridge-go-skype-bridge/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # Go Skype Bridge is a Matrix <-> Skype bridge
-# See: https://github.com/kelaresg/go-skype-bridge
+# Project source code URL: https://github.com/kelaresg/go-skype-bridge
 
 matrix_go_skype_bridge_enabled: true
 
diff --git a/roles/matrix-bridge-heisenbridge/defaults/main.yml b/roles/matrix-bridge-heisenbridge/defaults/main.yml
index dfbddd426..e8d2c7907 100644
--- a/roles/matrix-bridge-heisenbridge/defaults/main.yml
+++ b/roles/matrix-bridge-heisenbridge/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # heisenbridge is a bouncer-style Matrix IRC bridge
-# See: https://github.com/hifi/heisenbridge
+# Project source code URL: https://github.com/hifi/heisenbridge
 
 matrix_heisenbridge_enabled: true
 
diff --git a/roles/matrix-bridge-hookshot/defaults/main.yml b/roles/matrix-bridge-hookshot/defaults/main.yml
index abe266682..74f98bacd 100644
--- a/roles/matrix-bridge-hookshot/defaults/main.yml
+++ b/roles/matrix-bridge-hookshot/defaults/main.yml
@@ -1,7 +1,7 @@
 ---
 
 # A bridge between Matrix and multiple project management services, such as GitHub, GitLab and JIRA.
-# https://github.com/matrix-org/matrix-hookshot
+# Project source code URL: https://github.com/matrix-org/matrix-hookshot
 
 matrix_hookshot_enabled: true
 
diff --git a/roles/matrix-bridge-mautrix-facebook/defaults/main.yml b/roles/matrix-bridge-mautrix-facebook/defaults/main.yml
index 22d7fda67..7993550fa 100644
--- a/roles/matrix-bridge-mautrix-facebook/defaults/main.yml
+++ b/roles/matrix-bridge-mautrix-facebook/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # mautrix-facebook is a Matrix <-> Facebook bridge
-# See: https://github.com/mautrix/facebook
+# Project source code URL: https://github.com/mautrix/facebook
 
 matrix_mautrix_facebook_enabled: true
 
diff --git a/roles/matrix-bridge-mautrix-googlechat/defaults/main.yml b/roles/matrix-bridge-mautrix-googlechat/defaults/main.yml
index 2077d210d..5b93741a9 100644
--- a/roles/matrix-bridge-mautrix-googlechat/defaults/main.yml
+++ b/roles/matrix-bridge-mautrix-googlechat/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # mautrix-googlechat is a Matrix <-> googlechat bridge
-# See: https://github.com/mautrix/googlechat
+# Project source code URL: https://github.com/mautrix/googlechat
 
 matrix_mautrix_googlechat_enabled: true
 
diff --git a/roles/matrix-bridge-mautrix-hangouts/defaults/main.yml b/roles/matrix-bridge-mautrix-hangouts/defaults/main.yml
index 31fec1005..061fa56ab 100644
--- a/roles/matrix-bridge-mautrix-hangouts/defaults/main.yml
+++ b/roles/matrix-bridge-mautrix-hangouts/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # mautrix-hangouts is a Matrix <-> Hangouts bridge
-# See: https://github.com/mautrix/hangouts
+# Project source code URL: https://github.com/mautrix/hangouts
 
 matrix_mautrix_hangouts_enabled: true
 
diff --git a/roles/matrix-bridge-mautrix-instagram/defaults/main.yml b/roles/matrix-bridge-mautrix-instagram/defaults/main.yml
index 79ff1bf0f..5c849cfc7 100644
--- a/roles/matrix-bridge-mautrix-instagram/defaults/main.yml
+++ b/roles/matrix-bridge-mautrix-instagram/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # mautrix-instagram is a Matrix <-> Instagram bridge
-# See: https://github.com/mautrix/instagram
+# Project source code URL: https://github.com/mautrix/instagram
 
 matrix_mautrix_instagram_enabled: true
 
diff --git a/roles/matrix-bridge-mautrix-signal/defaults/main.yml b/roles/matrix-bridge-mautrix-signal/defaults/main.yml
index 6b0f41d72..3ed92dbcb 100644
--- a/roles/matrix-bridge-mautrix-signal/defaults/main.yml
+++ b/roles/matrix-bridge-mautrix-signal/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # mautrix-signal is a Matrix <-> Signal bridge
-# See: https://github.com/mautrix/signal
+# Project source code URL: https://github.com/mautrix/signal
 
 matrix_mautrix_signal_enabled: true
 
diff --git a/roles/matrix-bridge-mautrix-telegram/defaults/main.yml b/roles/matrix-bridge-mautrix-telegram/defaults/main.yml
index e3ee2fe95..97ba2bc97 100644
--- a/roles/matrix-bridge-mautrix-telegram/defaults/main.yml
+++ b/roles/matrix-bridge-mautrix-telegram/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # mautrix-telegram is a Matrix <-> Telegram bridge
-# See: https://github.com/mautrix/telegram
+# Project source code URL: https://github.com/mautrix/telegram
 
 matrix_mautrix_telegram_enabled: true
 
diff --git a/roles/matrix-bridge-mautrix-twitter/defaults/main.yml b/roles/matrix-bridge-mautrix-twitter/defaults/main.yml
index 291bd6a55..150b5b4dc 100644
--- a/roles/matrix-bridge-mautrix-twitter/defaults/main.yml
+++ b/roles/matrix-bridge-mautrix-twitter/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # mautrix-twitter is a Matrix <-> Twitter bridge
-# See: https://github.com/mautrix/twitter
+# Project source code URL: https://github.com/mautrix/twitter
 
 matrix_mautrix_twitter_enabled: true
 
diff --git a/roles/matrix-bridge-mautrix-whatsapp/defaults/main.yml b/roles/matrix-bridge-mautrix-whatsapp/defaults/main.yml
index 04184abec..e7f027091 100644
--- a/roles/matrix-bridge-mautrix-whatsapp/defaults/main.yml
+++ b/roles/matrix-bridge-mautrix-whatsapp/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # mautrix-whatsapp is a Matrix <-> Whatsapp bridge
-# See: https://github.com/mautrix/whatsapp
+# Project source code URL: https://github.com/mautrix/whatsapp
 
 matrix_mautrix_whatsapp_enabled: true
 
diff --git a/roles/matrix-bridge-mx-puppet-discord/defaults/main.yml b/roles/matrix-bridge-mx-puppet-discord/defaults/main.yml
index 2a2ecd58a..4d297f25f 100644
--- a/roles/matrix-bridge-mx-puppet-discord/defaults/main.yml
+++ b/roles/matrix-bridge-mx-puppet-discord/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # Mx Puppet Discord is a Matrix <-> Discord bridge
-# See: https://gitlab.com/mx-puppet/discord/mx-puppet-discord
+# Project source code URL: https://gitlab.com/mx-puppet/discord/mx-puppet-discord
 
 matrix_mx_puppet_discord_enabled: true
 
diff --git a/roles/matrix-bridge-mx-puppet-groupme/defaults/main.yml b/roles/matrix-bridge-mx-puppet-groupme/defaults/main.yml
index 0daf6dfc7..696380ed1 100644
--- a/roles/matrix-bridge-mx-puppet-groupme/defaults/main.yml
+++ b/roles/matrix-bridge-mx-puppet-groupme/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # Mx Puppet GroupMe is a Matrix <-> GroupMe bridge
-# See: https://gitlab.com/robintown/mx-puppet-groupme
+# Project source code URL: https://gitlab.com/robintown/mx-puppet-groupme
 
 matrix_mx_puppet_groupme_enabled: true
 
diff --git a/roles/matrix-bridge-mx-puppet-instagram/defaults/main.yml b/roles/matrix-bridge-mx-puppet-instagram/defaults/main.yml
index 3a73e0fed..c7c86e3c5 100644
--- a/roles/matrix-bridge-mx-puppet-instagram/defaults/main.yml
+++ b/roles/matrix-bridge-mx-puppet-instagram/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # mx-puppet-instagram bridges instagram DMs
-# See: https://github.com/Sorunome/mx-puppet-instagram
+# Project source code URL: https://github.com/Sorunome/mx-puppet-instagram
 
 matrix_mx_puppet_instagram_enabled: true
 
diff --git a/roles/matrix-bridge-mx-puppet-slack/defaults/main.yml b/roles/matrix-bridge-mx-puppet-slack/defaults/main.yml
index b77614f70..294b18cf7 100644
--- a/roles/matrix-bridge-mx-puppet-slack/defaults/main.yml
+++ b/roles/matrix-bridge-mx-puppet-slack/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # Mx Puppet Slack is a Matrix <-> Slack bridge
-# See: https://github.com/Sorunome/mx-puppet-slack
+# Project source code URL: https://gitlab.com/mx-puppet/slack/mx-puppet-slack
 
 matrix_mx_puppet_slack_enabled: true
 
diff --git a/roles/matrix-bridge-mx-puppet-steam/defaults/main.yml b/roles/matrix-bridge-mx-puppet-steam/defaults/main.yml
index 4e3d6bc6e..430dc90f1 100644
--- a/roles/matrix-bridge-mx-puppet-steam/defaults/main.yml
+++ b/roles/matrix-bridge-mx-puppet-steam/defaults/main.yml
@@ -1,11 +1,11 @@
 ---
 # Mx Puppet Steam is a Matrix <-> Steam bridge
-# See: https://github.com/matrix-steam/mx-puppet-steam
+# Project source code URL: https://github.com/icewind1991/mx-puppet-steam
 
 matrix_mx_puppet_steam_enabled: true
 
 matrix_mx_puppet_steam_container_image_self_build: false
-matrix_mx_puppet_steam_container_image_self_build_repo: "https://github.com/tilosp/mx-puppet-steam.git"
+matrix_mx_puppet_steam_container_image_self_build_repo: "https://github.com/icewind1991/mx-puppet-steam.git"
 
 # Controls whether the mx-puppet-steam container exposes its HTTP port (tcp/8432 in the container).
 #
diff --git a/roles/matrix-bridge-mx-puppet-twitter/defaults/main.yml b/roles/matrix-bridge-mx-puppet-twitter/defaults/main.yml
index 37be2be28..c1b460713 100644
--- a/roles/matrix-bridge-mx-puppet-twitter/defaults/main.yml
+++ b/roles/matrix-bridge-mx-puppet-twitter/defaults/main.yml
@@ -1,7 +1,7 @@
 ---
 
 # Mx Puppet Twitter is a Matrix <-> Twitter bridge
-# See: https://github.com/Sorunome/mx-puppet-twitter
+# Project source code URL: https://github.com/Sorunome/mx-puppet-twitter
 
 matrix_mx_puppet_twitter_enabled: true
 
diff --git a/roles/matrix-bridge-sms/defaults/main.yml b/roles/matrix-bridge-sms/defaults/main.yml
index 82ffce6eb..8a640f862 100644
--- a/roles/matrix-bridge-sms/defaults/main.yml
+++ b/roles/matrix-bridge-sms/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # matrix-sms-bridge is a Matrix <-> SMS bridge
-# See: https://github.com/benkuly/matrix-sms-bridge
+# Project source code URL: https://github.com/benkuly/matrix-sms-bridge
 
 matrix_sms_bridge_enabled: true
 
diff --git a/roles/matrix-client-cinny/defaults/main.yml b/roles/matrix-client-cinny/defaults/main.yml
index 891058009..277f6e0cf 100644
--- a/roles/matrix-client-cinny/defaults/main.yml
+++ b/roles/matrix-client-cinny/defaults/main.yml
@@ -1,4 +1,5 @@
 ---
+# Project source code URL: https://github.com/ajbura/cinny
 
 matrix_client_cinny_enabled: true
 
diff --git a/roles/matrix-client-element/defaults/main.yml b/roles/matrix-client-element/defaults/main.yml
index aacc2f11f..e93b2c7c5 100644
--- a/roles/matrix-client-element/defaults/main.yml
+++ b/roles/matrix-client-element/defaults/main.yml
@@ -1,4 +1,5 @@
 ---
+# Project source code URL: https://github.com/vector-im/element-web
 
 matrix_client_element_enabled: true
 
diff --git a/roles/matrix-client-hydrogen/defaults/main.yml b/roles/matrix-client-hydrogen/defaults/main.yml
index 88d52ba5c..5a28ef38a 100644
--- a/roles/matrix-client-hydrogen/defaults/main.yml
+++ b/roles/matrix-client-hydrogen/defaults/main.yml
@@ -1,4 +1,5 @@
 ---
+# Project source code URL: https://github.com/vector-im/hydrogen-web
 
 matrix_client_hydrogen_enabled: true
 
diff --git a/roles/matrix-corporal/defaults/main.yml b/roles/matrix-corporal/defaults/main.yml
index bd91564ab..1aa512eec 100644
--- a/roles/matrix-corporal/defaults/main.yml
+++ b/roles/matrix-corporal/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # matrix-corporal is a reconciliator and gateway for a managed Matrix server.
-# See: https://github.com/devture/matrix-corporal
+# Project source code URL: https://github.com/devture/matrix-corporal
 
 matrix_corporal_enabled: true
 
diff --git a/roles/matrix-coturn/defaults/main.yml b/roles/matrix-coturn/defaults/main.yml
index bf3564cd0..0b48616be 100644
--- a/roles/matrix-coturn/defaults/main.yml
+++ b/roles/matrix-coturn/defaults/main.yml
@@ -1,4 +1,5 @@
 ---
+# Project source code URL: https://github.com/coturn/coturn
 
 matrix_coturn_enabled: true
 
diff --git a/roles/matrix-dendrite/defaults/main.yml b/roles/matrix-dendrite/defaults/main.yml
index f3876875e..450ae6324 100644
--- a/roles/matrix-dendrite/defaults/main.yml
+++ b/roles/matrix-dendrite/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # Dendrite is a second-generation Matrix homeserver currently in Beta
-# See: https://github.com/matrix-org/dendrite
+# Project source code URL: https://github.com/matrix-org/dendrite
 
 matrix_dendrite_enabled: true
 
diff --git a/roles/matrix-dimension/defaults/main.yml b/roles/matrix-dimension/defaults/main.yml
index c4da906de..68bd79089 100644
--- a/roles/matrix-dimension/defaults/main.yml
+++ b/roles/matrix-dimension/defaults/main.yml
@@ -1,4 +1,5 @@
 ---
+# Project source code URL: https://github.com/turt2live/matrix-dimension
 
 matrix_dimension_enabled: false
 
diff --git a/roles/matrix-dynamic-dns/defaults/main.yml b/roles/matrix-dynamic-dns/defaults/main.yml
index 95a1188b4..97629e15c 100644
--- a/roles/matrix-dynamic-dns/defaults/main.yml
+++ b/roles/matrix-dynamic-dns/defaults/main.yml
@@ -1,4 +1,6 @@
 ---
+# Project source code URL: https://github.com/linuxserver/docker-ddclient
+
 # Whether dynamic dns is enabled
 matrix_dynamic_dns_enabled: true
 
diff --git a/roles/matrix-email2matrix/defaults/main.yml b/roles/matrix-email2matrix/defaults/main.yml
index fe5d33995..3084506f1 100644
--- a/roles/matrix-email2matrix/defaults/main.yml
+++ b/roles/matrix-email2matrix/defaults/main.yml
@@ -1,4 +1,5 @@
 ---
+# Project source code URL: https://github.com/devture/email2matrix
 
 matrix_email2matrix_enabled: true
 
diff --git a/roles/matrix-etherpad/defaults/main.yml b/roles/matrix-etherpad/defaults/main.yml
index 8a0248606..656e43f9d 100644
--- a/roles/matrix-etherpad/defaults/main.yml
+++ b/roles/matrix-etherpad/defaults/main.yml
@@ -1,4 +1,5 @@
 ---
+# Project source code URL: https://github.com/ether/etherpad-lite
 
 matrix_etherpad_enabled: false
 
diff --git a/roles/matrix-grafana/defaults/main.yml b/roles/matrix-grafana/defaults/main.yml
index 7765ae48c..f411dc52d 100644
--- a/roles/matrix-grafana/defaults/main.yml
+++ b/roles/matrix-grafana/defaults/main.yml
@@ -1,6 +1,7 @@
 ---
 # matrix-grafana is open source visualization and analytics software
 # See: https://github.com/matrix-org/synapse/blob/master/docs/metrics-howto.md
+# Project source code URL: https://github.com/grafana/grafana
 
 matrix_grafana_enabled: false
 
diff --git a/roles/matrix-jitsi/defaults/main.yml b/roles/matrix-jitsi/defaults/main.yml
index 70dc035d8..ef6a5735e 100644
--- a/roles/matrix-jitsi/defaults/main.yml
+++ b/roles/matrix-jitsi/defaults/main.yml
@@ -1,4 +1,5 @@
 ---
+# Project source code URL: https://github.com/jitsi/docker-jitsi-meet
 
 matrix_jitsi_enabled: true
 
diff --git a/roles/matrix-ma1sd/defaults/main.yml b/roles/matrix-ma1sd/defaults/main.yml
index f1d570494..19aaf189a 100644
--- a/roles/matrix-ma1sd/defaults/main.yml
+++ b/roles/matrix-ma1sd/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # ma1sd is a Federated Matrix Identity Server
-# See: https://github.com/ma1uta/ma1sd
+# Project source code URL: https://github.com/ma1uta/ma1sd
 
 matrix_ma1sd_enabled: true
 
diff --git a/roles/matrix-mailer/defaults/main.yml b/roles/matrix-mailer/defaults/main.yml
index 6d3bb2e24..48cd638ce 100644
--- a/roles/matrix-mailer/defaults/main.yml
+++ b/roles/matrix-mailer/defaults/main.yml
@@ -1,4 +1,5 @@
 ---
+# Project source code URL: https://github.com/devture/exim-relay
 
 matrix_mailer_enabled: true
 
diff --git a/roles/matrix-nginx-proxy/defaults/main.yml b/roles/matrix-nginx-proxy/defaults/main.yml
index f9b7a019f..8da1268d6 100644
--- a/roles/matrix-nginx-proxy/defaults/main.yml
+++ b/roles/matrix-nginx-proxy/defaults/main.yml
@@ -1,4 +1,5 @@
 ---
+# Project source code URL: https://github.com/nginx/nginx
 matrix_nginx_proxy_enabled: true
 matrix_nginx_proxy_version: 1.21.6-alpine
 
diff --git a/roles/matrix-ntfy/defaults/main.yml b/roles/matrix-ntfy/defaults/main.yml
index d5fc3fbad..96e9e69df 100644
--- a/roles/matrix-ntfy/defaults/main.yml
+++ b/roles/matrix-ntfy/defaults/main.yml
@@ -1,4 +1,6 @@
 ---
+# Project source code URL: https://github.com/binwiederhier/ntfy
+
 matrix_ntfy_enabled: true
 
 matrix_ntfy_base_path: "{{ matrix_base_data_path }}/ntfy"
diff --git a/roles/matrix-postgres-backup/defaults/main.yml b/roles/matrix-postgres-backup/defaults/main.yml
index 59ae50766..ed42266f2 100644
--- a/roles/matrix-postgres-backup/defaults/main.yml
+++ b/roles/matrix-postgres-backup/defaults/main.yml
@@ -1,4 +1,5 @@
 ---
+# Project source code URL: https://github.com/prodrigestivill/docker-postgres-backup-local
 
 matrix_postgres_backup_enabled: false
 
diff --git a/roles/matrix-postgres/defaults/main.yml b/roles/matrix-postgres/defaults/main.yml
index b6cbc2055..3a4d73be1 100644
--- a/roles/matrix-postgres/defaults/main.yml
+++ b/roles/matrix-postgres/defaults/main.yml
@@ -1,4 +1,5 @@
 ---
+# Project source code URL: https://github.com/postgres/postgres
 
 # Controls if the Postgres server managed by the playbook is enabled.
 # You can turn it off and use an external Postgres server by setting this to `false`.
diff --git a/roles/matrix-prometheus-node-exporter/defaults/main.yml b/roles/matrix-prometheus-node-exporter/defaults/main.yml
index d061d59cd..d90776976 100644
--- a/roles/matrix-prometheus-node-exporter/defaults/main.yml
+++ b/roles/matrix-prometheus-node-exporter/defaults/main.yml
@@ -1,6 +1,7 @@
 ---
 # matrix-prometheus-node-exporter is an Prometheus exporter for machine metrics
 # See: https://prometheus.io/docs/guides/node-exporter/
+# Project source code URL: https://github.com/prometheus/node_exporter
 
 matrix_prometheus_node_exporter_enabled: false
 
diff --git a/roles/matrix-prometheus-postgres-exporter/defaults/main.yml b/roles/matrix-prometheus-postgres-exporter/defaults/main.yml
index 8c3f435e6..b7cd08b9a 100644
--- a/roles/matrix-prometheus-postgres-exporter/defaults/main.yml
+++ b/roles/matrix-prometheus-postgres-exporter/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # matrix-prometheus-postgres-exporter is an Prometheus exporter for postgres metrics
-# See: https://github.com/prometheus-community/postgres_exporter
+# Project source code URL: https://github.com/prometheus-community/postgres_exporter
 
 matrix_prometheus_postgres_exporter_enabled: false
 
diff --git a/roles/matrix-prometheus/defaults/main.yml b/roles/matrix-prometheus/defaults/main.yml
index 28395bd9d..b7b05bed8 100644
--- a/roles/matrix-prometheus/defaults/main.yml
+++ b/roles/matrix-prometheus/defaults/main.yml
@@ -1,6 +1,7 @@
 ---
 # matrix-prometheus is an open-source systems monitoring and alerting toolkit
 # See: https://github.com/matrix-org/synapse/blob/master/docs/metrics-howto.md
+# Project source code URL: https://github.com/prometheus/prometheus
 
 matrix_prometheus_enabled: false
 
diff --git a/roles/matrix-redis/defaults/main.yml b/roles/matrix-redis/defaults/main.yml
index 88d3d7397..4454355e3 100644
--- a/roles/matrix-redis/defaults/main.yml
+++ b/roles/matrix-redis/defaults/main.yml
@@ -1,4 +1,5 @@
 ---
+# Project source code URL: https://github.com/redis/redis
 
 matrix_redis_enabled: true
 
diff --git a/roles/matrix-registration/defaults/main.yml b/roles/matrix-registration/defaults/main.yml
index a5db3022d..9f4c673cd 100644
--- a/roles/matrix-registration/defaults/main.yml
+++ b/roles/matrix-registration/defaults/main.yml
@@ -1,6 +1,7 @@
 ---
 # matrix-registration is a simple python application to have a token based matrix registration
 # See: https://zeratax.github.io/matrix-registration/
+# Project source code URL: https://github.com/ZerataX/matrix-registration
 
 matrix_registration_enabled: true
 
diff --git a/roles/matrix-sygnal/defaults/main.yml b/roles/matrix-sygnal/defaults/main.yml
index 15bce68c1..15015a97e 100644
--- a/roles/matrix-sygnal/defaults/main.yml
+++ b/roles/matrix-sygnal/defaults/main.yml
@@ -1,7 +1,7 @@
 ---
 # Sygnal is a reference Push Gateway for Matrix.
 # To make use of it for delivering push notificatins, you'll need to develop/build your own Matrix app.
-# Learn more here: https://github.com/matrix-org/sygnal
+# Project source code URL: https://github.com/matrix-org/sygnal
 matrix_sygnal_enabled: false
 
 matrix_sygnal_base_path: "{{ matrix_base_data_path }}/sygnal"
diff --git a/roles/matrix-synapse-admin/defaults/main.yml b/roles/matrix-synapse-admin/defaults/main.yml
index 0aa19e86b..9f4510b6a 100644
--- a/roles/matrix-synapse-admin/defaults/main.yml
+++ b/roles/matrix-synapse-admin/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # matrix-synapse-admin is a web UI for mananging the Synapse Matrix server
-# See: https://github.com/Awesome-Technologies/synapse-admin
+# Project source code URL: https://github.com/Awesome-Technologies/synapse-admin
 
 matrix_synapse_admin_enabled: true
 
diff --git a/roles/matrix-synapse/defaults/main.yml b/roles/matrix-synapse/defaults/main.yml
index 1925ffc29..de8bfdcac 100644
--- a/roles/matrix-synapse/defaults/main.yml
+++ b/roles/matrix-synapse/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 # Synapse is a Matrix homeserver
-# See: https://github.com/matrix-org/synapse
+# Project source code URL: https://github.com/matrix-org/synapse
 
 matrix_synapse_enabled: true