Fix LLVM sphinx build

AaronBallman · AaronBallman · commit 8b3091b4b485 · 2023-02-20T08:35:42.000-05:00
This fixes the issue found by: https://lab.llvm.org/buildbot/#/builders/30/builds/32127
diff --git a/llvm/docs/LangRef.rst b/llvm/docs/LangRef.rst
@@ -17737,7 +17737,7 @@ The argument is a vector whose type corresponds to the logical concatenation of
 the two result types.
 
 '``llvm.experimental.vector.interleave2``' Intrinsic
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 Syntax:
 """""""
