diff --git a/docs/UsersManual.rst b/docs/UsersManual.rst
index ea613d13a078f2b1fffdbc676b56548d090c83a9..281cc206534057f9e4d9396a4709b8b8e3715e3e 100644
--- a/docs/UsersManual.rst
+++ b/docs/UsersManual.rst
@@ -828,7 +828,7 @@ Controlling Code Generation
 Clang provides a number of ways to control code generation. The options
 are listed below.
 
-**-fsanitize=check1,check2**
+**-fsanitize=check1,check2,...**
    Turn on runtime checks for various forms of undefined or suspicious
    behavior.