3 files changed, 3 insertions, 3 deletions
diff --git a/site/versions/master/docs/tutorial/app.md b/site/versions/master/docs/tutorial/app.md
index fdc33c5f83..b3b274c2d5 100644
--- a/site/versions/master/docs/tutorial/app.md
+++ b/site/versions/master/docs/tutorial/app.md
@@ -6,7 +6,7 @@ title: Build Mobile Application
 # Build Mobile Application
 
 You can use Bazel to build a variety of software outputs, including
-Linux and Mac OS X applications written in Java, C++ and Objective-C. You can
+Linux and macOS (OS X) applications written in Java, C++ and Objective-C. You can
 also use Bazel to build software for other platforms or written in other
 languages.
 
diff --git a/site/versions/master/docs/tutorial/environment.md b/site/versions/master/docs/tutorial/environment.md
index 219060de7c..74ca13d322 100644
--- a/site/versions/master/docs/tutorial/environment.md
+++ b/site/versions/master/docs/tutorial/environment.md
@@ -11,7 +11,7 @@ Here, you'll do the following:
 
 *   Install Bazel
 *   Install Android Studio and the Android SDK
-*   Install Xcode (OS X only)
+*   Install Xcode (macOS (OS X) only)
 *   Get the sample project from the GitHub repo
 
 ## Install Bazel
diff --git a/site/versions/master/docs/tutorial/ios-app.md b/site/versions/master/docs/tutorial/ios-app.md
index 7e2f651698..55d3493509 100644
--- a/site/versions/master/docs/tutorial/ios-app.md
+++ b/site/versions/master/docs/tutorial/ios-app.md
@@ -22,7 +22,7 @@ Here, you'll do the following:
 Note that, unlike with the Android app, you don't have to modify your
 `WORKSPACE` file to add iOS-specific external dependencies.
 
-If you're following the steps in this tutorial on Mac OS X, you can go ahead
+If you're following the steps in this tutorial on macOS (OS X), you can go ahead
 and build the sample iOS app as described below. If you are on Linux, skip ahead
 to the [next step](backend-server.md).