diff --git a/.github/workflows/L10n-update.yml b/.github/workflows/L10n-update.yml
index 9dce59a..45599e8 100644
--- a/.github/workflows/L10n-update.yml
+++ b/.github/workflows/L10n-update.yml
@@ -3,7 +3,7 @@ name: L10n Update
 on:
   push:
     branches:
-      - master
+      - main
 
 jobs:
   trigger-update:
diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index c30f2d2..5057984 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -3,11 +3,11 @@ name: PHP Tests
 on:
   push:
     branches:
-      - master
+      - main
       - release/*
   pull_request:
     branches:
-      - master
+      - main
 
 jobs:
   lint:
diff --git a/README.md b/README.md
index 54a1206..d1263e6 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Icinga Web Graphite Integration
 
 [![PHP Support](https://img.shields.io/badge/php-%3E%3D%207.2-777BB4?logo=PHP)](https://php.net/)
-![Build Status](https://github.com/icinga/icingaweb2-module-graphite/workflows/PHP%20Tests/badge.svg?branch=master)
+![Build Status](https://github.com/icinga/icingaweb2-module-graphite/workflows/PHP%20Tests/badge.svg?branch=main)
 [![Github Tag](https://img.shields.io/github/tag/Icinga/icingaweb2-module-graphite.svg)](https://github.com/Icinga/icingaweb2-module-graphite)
 
 ![Icinga Logo](https://icinga.com/wp-content/uploads/2014/06/icinga_logo.png)
diff --git a/doc/04-Templates.md b/doc/04-Templates.md
index 5acbae1..5aa4b06 100644
--- a/doc/04-Templates.md
+++ b/doc/04-Templates.md
@@ -184,7 +184,7 @@ pl.value = "alias(color($metric$, '#1a7dd7'), 'Packet loss (%)')"
 ## Default Template Settings <a id="templates-default-settings"></a>
 
 Next to maintaining templates for specific commands, you can
-specify the default template settings in the [default.ini](https://github.com/Icinga/icingaweb2-module-graphite/blob/master/templates/default.ini)
+specify the default template settings in the [default.ini](https://github.com/Icinga/icingaweb2-module-graphite/blob/main/templates/default.ini)
 configuration file.
 
 The following example adjusts the background and foreground colors
diff --git a/templates/mysql.ini b/templates/mysql.ini
index f39d15a..22d0387 100644
--- a/templates/mysql.ini
+++ b/templates/mysql.ini
@@ -268,3 +268,20 @@ yUnitSystem = "sec"
 
 [mysql-seconds_behind_master.functions]
 value = "alias(color($metric$, '#1a7dd7'), 'Seconds behind master')"
+
+
+[mysql-seconds_behind_source.graph]
+check_command = "mysql"
+
+[mysql-seconds_behind_source.metrics_filters]
+value = "$service_name_template$.perfdata.seconds_behind_source.value"
+
+[mysql-seconds_behind_source.urlparams]
+areaAlpha = "0.5"
+areaMode = "all"
+lineWidth = "2"
+min = "0"
+yUnitSystem = "sec"
+
+[mysql-seconds_behind_source.functions]
+value = "alias(color($metric$, '#1a7dd7'), 'Seconds behind source')"
diff --git a/templates/mysql_health.ini b/templates/mysql_health.ini
index 711338c..4a8a77e 100644
--- a/templates/mysql_health.ini
+++ b/templates/mysql_health.ini
@@ -280,6 +280,23 @@ yUnitSystem = "sec"
 value = "alias(color($metric$, '#1a7dd7'), 'Seconds slave is behind master')"
 
 
+[mysql_health-replica_lag.graph]
+check_command = "mysql_health"
+
+[mysql_health-replica_lag.metrics_filters]
+value = "$service_name_template$.perfdata.replica_lag.value"
+
+[mysql_health-replica_lag.urlparams]
+areaAlpha = "0.5"
+areaMode = "all"
+lineWidth = "2"
+min = "0"
+yUnitSystem = "sec"
+
+[mysql_health-replica_lag.functions]
+value = "alias(color($metric$, '#1a7dd7'), 'Seconds replica is behind source')"
+
+
 [mysql_health-slow_queries.graph]
 check_command = "mysql_health"