diff --git a/docs/api/shell.md b/docs/api/shell.md
index a7f03a52f9c7..823dc481bb07 100644
--- a/docs/api/shell.md
+++ b/docs/api/shell.md
@@ -29,16 +29,14 @@ Open the given file in the desktop's default manner.
 ### `shell.openExternal(url[, options])`
 
 * `url` String
+* `options` Object (optional) _OS X_
+  * `activate` Boolean - `true` to bring the opened application to the
+    foreground. The default is `true`.
 
 Open the given external protocol URL in the desktop's default manner. (For
 example, mailto: URLs in the user's default mail agent.) Returns true if an
 application was available to open the URL, false otherwise.
 
-On Mac OS X, you can pass additional options to openExternal:
-
-- withoutActivation: Pass true to open the URL without bringing the
-  application into the foreground.
-
 ### `shell.moveItemToTrash(fullPath)`
 
 * `fullPath` String