[clang] Fix Clang language extension documentation markup for __builtin_arm_trap.

tahonermann · tahonermann · commit 06f9e13e622f · 2024-03-14T13:55:32.000-07:00
diff --git a/clang/docs/LanguageExtensions.rst b/clang/docs/LanguageExtensions.rst
@@ -3444,7 +3444,7 @@ Query for this feature with ``__has_builtin(__builtin_debugtrap)``.
 Query for this feature with ``__has_builtin(__builtin_trap)``.
 
 ``__builtin_arm_trap``
-------------------
+----------------------
 
 ``__builtin_arm_trap`` is an AArch64 extension to ``__builtin_trap`` which also accepts a compile-time constant value, encoded directly into the trap instruction for later inspection.
 
