fix sphinx warning

git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_60@324578 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst
index fe78d833b95b42c4789cabe018f0ffaf857e2849..a29dfb7650a56951b7a686d3c0f38bd0ae1a3ea6 100644 (file)
--- a/docs/ReleaseNotes.rst
+++ b/docs/ReleaseNotes.rst
@@ -88,7 +88,7 @@ During this release the ARM target has:
 
 
 Changes to the Hexagon Target
--------------------------
+-----------------------------
 
 * The Hexagon backend now supports V65 ISA.