Use correct operating system name; it's OS X, not Mac OSX nor Mac OS X (see https://www.apple.com/osx/what-is/).
diff --git a/Mobile.md b/Mobile.md
index 3aebc3e..60bf362 100644
--- a/Mobile.md
+++ b/Mobile.md
@@ -25,7 +25,7 @@
to help you with the build and the binding process.
Go get gomobile and initialize it to install the required toolchain.
-On Mac OSX, you will need to have
+On OS X, you will need to have
[Xcode Command Line Tools](https://developer.apple.com/downloads/)
installed.
@@ -75,7 +75,7 @@
### Building and deploying to iOS
Run `gomobile build` to build the package as an iOS application.
-Note: target=ios requires the host machine running Mac OS X. Prior to Xcode 7, you need to obtain a [signing identity and download provisioning profiles](https://developer.apple.com/library/ios/recipes/xcode_help-accounts_preferences/articles/obtain_certificates_and_provisioning_profiles.html) in order to continue.
+Note: target=ios requires the host machine running OS X. Prior to Xcode 7, you need to obtain a [signing identity and download provisioning profiles](https://developer.apple.com/library/ios/recipes/xcode_help-accounts_preferences/articles/obtain_certificates_and_provisioning_profiles.html) in order to continue.
```
$ gomobile build -target=ios golang.org/x/mobile/example/basic
@@ -147,7 +147,7 @@
### Building and deploying to iOS
-Note: target=ios requires the host machine running Mac OS X.
+Note: target=ios requires the host machine running OS X.
```
$ cd $GOPATH/src/golang.org/x/mobile/example/bind
