fix incorrect xref in sphinx doc
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@275255 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/MergeFunctions.rst b/docs/MergeFunctions.rst
index 377ea4d..f808010 100644
--- a/docs/MergeFunctions.rst
+++ b/docs/MergeFunctions.rst
@@ -56,7 +56,7 @@
Especially it's important to understand chapter 3 of tutorial:
-:doc:`tutorial/LangImpl3`
+:doc:`tutorial/LangImpl03`
Reader also should know how passes work in LLVM, they could use next article as
a reference and start point here:
