Qodo Finding level 1 heading inconsistence fixed

Author: muhme

migrations/44-50/removed-backward-incompatibility.md

@@ -2,7 +2,8 @@
 sidebar_position: 3
 ---
 
-# Removed and Backward Compatibility
+Removed and Backward Compatibility
+==================================
 
 All the deprecated features than have now been removed and any backward incompatibilities.
 There should be an explanation of how to mitigate the removals / changes.

migrations/50-51/compat-plugin.md

@@ -2,10 +2,11 @@
 sidebar_position: 4
 ---
 
-# Compatibility Plugin
+Compatibility Plugin
+====================
 
 As part of Joomla! 5.0 a plugin was introduced which enhance backward compatibility between Joomla 5 and 4.
 The plugin is implemented as "Behaviour" plugin type to guarantee that is loaded before any other plugin is loaded.
 (Just a heads-up, don't create a plugin as behaviour plugin because it's possible that this group get removed at some point)
 
-For more detail check [Compatibility Plugin Joomla! 5.0](https://manual.joomla.org/migrations/44-50/compat-plugin).
+For more detail check [Compatibility Plugin Joomla! 5.0](https://manual.joomla.org/migrations/44-50/compat-plugin).

migrations/53-54/new-deprecations.md

@@ -2,7 +2,8 @@
 sidebar_position: 2
 ---
 
-# New Deprecations
+New Deprecations
+================
 
 :::tip[Developer Note]
   Since this version of Joomla has not been released yet, this page can change anytime.