diff --git a/docs/html/preview/setup-sdk.jd b/docs/html/preview/setup-sdk.jd
index 7f0c7d54ed568..16160538c1bb7 100644
--- a/docs/html/preview/setup-sdk.jd
+++ b/docs/html/preview/setup-sdk.jd
@@ -132,7 +132,7 @@ of Android Studio to use for testing.</p>
 
 <p>
   For existing projects, you must modify the project configuration to enable the preview APIs. In
-  your the development environment, open the <code>build.gradle</code> file for your module and
+  your development environment, open the <code>build.gradle</code> file for your module and
   set these values as follows:
 </p>
 
@@ -146,7 +146,7 @@ of Android Studio to use for testing.</p>
 <h2 id="setup-test">Set Up for Testing</h2>
 
 <p>
-  Testing app with the preview requires that you have a device or virtual device configured with
+  Testing an app with the preview requires that you have a device or virtual device configured with
   the preview version of the platform. If you have a compatible device, you can install the preview
   platform for testing. Otherwise, you can configure a virtual device for testing.
 </p>
@@ -156,7 +156,7 @@ of Android Studio to use for testing.</p>
 <p>
   If you have a Nexus 5, Nexus 6, Nexus 9, or Android TV, you can install a preview
   system image on these devices for testing your app.
-  You can set up virtual device with the preview version of the platform from within Android Studio
+  You can set up a virtual device with the preview version of the platform from within Android Studio
   using the Android Virtual Device Manager tool.
 </p>
 
diff --git a/docs/html/preview/testing/guide.jd b/docs/html/preview/testing/guide.jd
index 317dc44c9a462..5e8e8d8f747e6 100644
--- a/docs/html/preview/testing/guide.jd
+++ b/docs/html/preview/testing/guide.jd
@@ -57,7 +57,7 @@ page.image=images/cards/card-set-up_16-9_2x.png
 </p>
 
 <p>
-  This change that affects all apps running on the new platform, even those not targeting the new
+  This change affects all apps running on the new platform, even those not targeting the new
   platform version. The platform provides a limited compatibility behavior for legacy apps, but you
   should begin planning your app’s migration to the new permissions model now, with a goal of
   publishing an updated version of your app at the official platform launch.
@@ -123,7 +123,7 @@ page.image=images/cards/card-set-up_16-9_2x.png
 <h2 id="doze-standby">Testing Doze and App Standby</h2>
 
 <p>
-  The power saving features of Doze and App Standby limits the amount of background processing that
+  The power saving features of Doze and App Standby limit the amount of background processing that
   your app can perform when a device is in an idle state or while your app is not in focus. The
   restrictions the system may impose on apps include limited or no network access,
   suspended background tasks, suspended Notifications, ignored wake requests, and alarms. To ensure