rl-2411: Match to release branch

This specific change was already done before the branch-off in
#346059, but
#335832 reverted it accidentally
on master after the branch-off.

nixos/doc/manual/release-notes/rl-2411.section.md

@@ -915,7 +915,7 @@
 
 - `freecad` now supports addons and custom configuration in nix-way, which can be used by calling `freecad.customize`.
 
-## Detailed migration information {#sec-release-24.11-migration}
+## Detailed Migration Information {#sec-release-24.11-migration}
 
 ### `sound` options removal {#sec-release-24.11-migration-sound}