Update Migration/Release description (#356)

Author: christophfroehlich

doc/migration.rst

@@ -1,8 +1,12 @@
 :github_url: https://github.com/ros-controls/realtime_tools/blob/{REPOS_FILE_BRANCH}/doc/migration.rst
 
-Migration Guides: Jazzy to Kilted
+Migration Guides: Humble to Jazzy
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-This list summarizes important changes between Jazzy (previous) and Kilted (current) releases, where changes to user code might be necessary.
+This list summarizes important changes between Humble (previous) and Jazzy (current) releases, where changes to user code might be necessary.
+
+.. note::
+
+  This list was created in June 2025 (tag 3.6.0), earlier changes may not be included.
 
 RealtimeBox
 *******************************

doc/release_notes.rst

@@ -1,8 +1,12 @@
 :github_url: https://github.com/ros-controls/realtime_tools/blob/{REPOS_FILE_BRANCH}/doc/release_notes.rst
 
-Release Notes: Jazzy to Kilted
+Release Notes: Humble to Jazzy
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-This list summarizes the changes between Jazzy (previous) and Kilted (current) releases.
+This list summarizes the changes between Humble (previous) and Jazzy (current) releases.
+
+.. note::
+
+  This list was created in June 2025 (tag 3.6.0), earlier changes may not be included.
 
 RealtimeBox
 *******************************