Fix LLVM Sphinx build

This addresses the issue found by:
https://lab.llvm.org/buildbot/#/builders/30/builds/31313

diff --git a/llvm/docs/Passes.rst b/llvm/docs/Passes.rst
index 88f4a26..27afe73 100644 (file)
--- a/llvm/docs/Passes.rst
+++ b/llvm/docs/Passes.rst
@@ -157,7 +157,7 @@ graph, omitting the function bodies.  This graph can then be processed with the
 :program:`dot` tool to convert it to postscript or some other suitable format.
 
 ``-dot-post-dom``: Print postdominance tree of function to "dot" file
---------------------------------------------------------------------
+---------------------------------------------------------------------
 
 This pass, only available in ``opt``, prints the post dominator tree into a
 ``.dot`` graph.  This graph can then be processed with the :program:`dot` tool