diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index 7141259d7dce7..7d5fb3eb6ee8c 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -308,7 +308,7 @@ import java.util.function.Consumer;
*
The foreground lifetime of an activity happens between a call to
* {@link android.app.Activity#onResume} until a corresponding call to
* {@link android.app.Activity#onPause}. During this time the activity is
- * in visible, active and interacting with the user. An activity
+ * visible, active and interacting with the user. An activity
* can frequently go between the resumed and paused states -- for example when
* the device goes to sleep, when an activity result is delivered, when a new
* intent is delivered -- so the code in these methods should be fairly