diff --git a/clang/docs/CommandGuide/clang.rst b/clang/docs/CommandGuide/clang.rst
--- a/clang/docs/CommandGuide/clang.rst
+++ b/clang/docs/CommandGuide/clang.rst
@@ -323,7 +323,11 @@
 
 .. option:: -arch <architecture>
 
-  Specify the architecture to build for.
+  Specify the architecture to build for (Mac OS X specific).
+
+.. option:: -target <architecture>
+
+  Specify the architecture to build for (all platforms).
 
 .. option:: -mmacosx-version-min=<version>