[LangRef] Increase size of title underline for experimental.vector.reverse

diff --git a/llvm/docs/LangRef.rst b/llvm/docs/LangRef.rst
index 133edf8..4d1a113 100644 (file)
--- a/llvm/docs/LangRef.rst
+++ b/llvm/docs/LangRef.rst
@@ -16234,7 +16234,7 @@ vector index constant type (for most targets this will be an integer pointer
 type).
 
 '``llvm.experimental.vector.reverse``' Intrinsic
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 Syntax:
 """""""