Index: docs/ModularizeUsage.rst
===================================================================
--- docs/ModularizeUsage.rst
+++ docs/ModularizeUsage.rst
@@ -32,7 +32,7 @@
 to tell Clang that the header contains C++ definitions.
 
 Modularize Command Line Options
-============================
+===============================
 
 .. option:: -prefix <header-path>