diff --git a/core/java/android/os/AsyncTask.java b/core/java/android/os/AsyncTask.java
index 7d2c698..d28148c 100644
--- a/core/java/android/os/AsyncTask.java
+++ b/core/java/android/os/AsyncTask.java
@@ -82,7 +82,7 @@
  *     <li><code>Result</code>, the type of the result of the background
  *     computation.</li>
  * </ol>
- * <p>Not all types are always used by am asynchronous task. To mark a type as unused,
+ * <p>Not all types are always used by an asynchronous task. To mark a type as unused,
  * simply use the type {@link Void}:</p>
  * <pre>
  * private class MyTask extends AsyncTask&lt;Void, Void, Void&gt; { ... }