diff --git a/core/java/android/view/WindowManager.java b/core/java/android/view/WindowManager.java
index 9195509312e81..a00e7974fcb43 100644
--- a/core/java/android/view/WindowManager.java
+++ b/core/java/android/view/WindowManager.java
@@ -3839,6 +3839,7 @@ public interface WindowManager extends ViewManager {
          * @see #ROTATION_ANIMATION_ROTATE
          * @see #ROTATION_ANIMATION_CROSSFADE
          * @see #ROTATION_ANIMATION_JUMPCUT
+         * @see #ROTATION_ANIMATION_SEAMLESS
          */
         public int rotationAnimation = ROTATION_ANIMATION_ROTATE;
 
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index 6f7bc53e891c6..735e5906cced0 100644
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -2465,7 +2465,7 @@
                duration of the vector animation automatically. -->
         <attr name="windowSplashScreenAnimationDuration" format="integer"/>
 
-        <!-- Place an drawable image in the bottom of the starting window, it can be used to
+        <!-- Place a drawable image in the bottom of the starting window. The image can be used to
              represent the branding of the application. -->
         <attr name="windowSplashScreenBrandingImage" format="reference"/>
         <!-- Set a background behind the splash screen icon. This is useful if there is not enough
@@ -3245,7 +3245,7 @@
 
         <!-- Specifies the id of a view for which this view serves as a label for
              accessibility purposes. For example, a TextView before an EditText in
-             the UI usually specifies what infomation is contained in the EditText.
+             the UI usually specifies what information is contained in the EditText.
              Hence, the TextView is a label for the EditText. -->
         <attr name="labelFor" format="reference" />
 
@@ -6787,7 +6787,7 @@
              edges of a bitmap when rotated. Default value is false. -->
         <attr name="antialias" format="boolean" />
         <!-- Enables or disables bitmap filtering. Filtering is used when the bitmap is
-             shrunk or stretched to smooth its apperance. Default value is true. -->
+             shrunk or stretched to smooth its appearance. Default value is true. -->
         <attr name="filter" format="boolean" />
         <!-- Enables or disables dithering of the bitmap if the bitmap does not have the
              same pixel configuration as the screen (for instance: a ARGB 8888 bitmap with
diff --git a/core/res/res/values/attrs_manifest.xml b/core/res/res/values/attrs_manifest.xml
index b7d088bd3d823..95f14931c6ef3 100644
--- a/core/res/res/values/attrs_manifest.xml
+++ b/core/res/res/values/attrs_manifest.xml
@@ -634,7 +634,7 @@
          able to return to it. -->
     <attr name="noHistory" format="boolean" />
 
-    <!-- Specify whether an acitivty's task state should always be maintained
+    <!-- Specify whether an activity's task state should always be maintained
          by the system, or if it is allowed to reset the task to its initial
          state in certain situations.
 
@@ -731,15 +731,17 @@
          This is equivalent to calling {@link android.app.Activity#setVrModeEnabled} with the
          the given component name within the Activity that this attribute is set for.
          Declaring this will prevent the system from leaving VR mode during an Activity
-         transtion from one VR activity to another. -->
+         transition from one VR activity to another. -->
     <attr name="enableVrMode" format="string" />
 
-    <!-- Flag allowing the activity to specify which screen rotation animation
-         it desires.  Valid values are "rotate", "crossfade", and "jumpcut"
-         as described in {@link android.view.WindowManager.LayoutParams#rotationAnimation}.
-         Specifying your Rotation animation in the WindowManager.LayoutParams
-         may be racy with app startup and updattransitions occuring during application startup and thusly
-         the manifest attribute is preferred.
+    <!-- Flag that specifies the activity's preferred screen rotation animation.
+         Valid values are "rotate", "crossfade", "jumpcut", and "seamless" as
+         described in
+         {@link android.view.WindowManager.LayoutParams#rotationAnimation}.
+         Specifying your rotation animation in
+         <code>WindowManager.LayoutParams</code> may be racy with app startup
+         and update transitions that occur during application startup; and so,
+         specify the animation in the manifest attribute.
     -->
     <attr name="rotationAnimation">
       <flag name="rotate" value= "0" />
@@ -830,7 +832,7 @@
         <enum name="singleInstance" value="3" />
         <!-- The activity can only be running as the root activity of the task, the first activity
             that created the task, and therefore there will only be one instance of this activity
-            in a task. In constrast to the {@code singleTask} launch mode, this activity can be
+            in a task. In contrast to the {@code singleTask} launch mode, this activity can be
             started in multiple instances in different tasks if the
             {@code FLAG_ACTIVITY_MULTIPLE_TASK} or {@code FLAG_ACTIVITY_NEW_DOCUMENT} is set.-->
         <enum name="singleInstancePerTask" value="4" />
@@ -1328,7 +1330,7 @@
          <p>Such a document is any kind of item for which an application may want to
          maintain multiple simultaneous instances. Examples might be text files, web
          pages, spreadsheets, or emails. Each such document will be in a separate
-         task in the recent taskss list.
+         task in the recent tasks list.
 
          <p>This attribute is equivalent to adding the flag {@link
          android.content.Intent#FLAG_ACTIVITY_NEW_DOCUMENT} to every Intent used to launch
@@ -1771,7 +1773,7 @@
     </attr>
 
     <!-- Enable hardware memory tagging (ARM MTE) in this process.
-         When enabled, heap memory bugs like use-after-free and buffer overlow
+         When enabled, heap memory bugs like use-after-free and buffer overflow
          are detected and result in an immediate ("sync" mode) or delayed ("async"
          mode) crash instead of a silent memory corruption. Sync mode, while slower,
          provides enhanced bug reports including stack traces at the time of allocation