fix: final markdown style fix

dascandy · dascandy · commit a7297675db22 · 2025-08-22T17:34:34.000+02:00
diff --git a/papers/P3655R2.md b/papers/P3655R2.md
@@ -375,7 +375,7 @@ NOTE: The sequence of changes in our codebase was different, because our codebas
 `char*` -> `string_view` and `char*` -> `zstring_view` conversions require additional changes, and intermediate steps
 marking conversions with the proposed `unsafe_length` tag.
 
-# Standard Library Changes
+## Standard Library Changes
 
 There are a handful of interfaces in the standard library which take `const string&` and really want a `zstring_view`
 or possibly a `string_view`. These include:
