[Docs] Fix warning "Title underline too short."

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253082 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/LangRef.rst b/docs/LangRef.rst
index 5273bf0ac1134b36bf7d36b5a540cb919250d957..b1a92dc0ebde442a14d3104467faaecace415e35 100644 (file)
--- a/docs/LangRef.rst
+++ b/docs/LangRef.rst
@@ -10418,7 +10418,7 @@ LLVM provides intrinsics for a few important bit manipulation
 operations. These allow efficient code generation for some algorithms.
 
 '``llvm.bitreverse.*``' Intrinsics
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 Syntax:
 """""""