diff --git a/clang/docs/UsersManual.rst b/clang/docs/UsersManual.rst
index 1f1b99a..d6e30bb 100644
--- a/clang/docs/UsersManual.rst
+++ b/clang/docs/UsersManual.rst
@@ -1298,7 +1298,7 @@
   doesn't contain any other data (e.g. description of local variables or
   function parameters).
 
-.. option:: -fstandalone-debug -fno-standalone-debug
+.. option:: -fstandalone-debug **-fno-standalone-debug**
 
   Clang supports a number of optimizations to reduce the size of debug
   information in the binary. They work based on the assumption that