diff --git a/docs/html/training/articles/perf-anr.jd b/docs/html/training/articles/perf-anr.jd
index 1fd56eeda5586..bbebec5a83e10 100644
--- a/docs/html/training/articles/perf-anr.jd
+++ b/docs/html/training/articles/perf-anr.jd
@@ -91,7 +91,7 @@ or database operations, or computationally expensive calculations such as
 resizing bitmaps should be done in a worker thread (or in the case of databases
 operations, via an asynchronous request).</p>
 
-<p>The most effecive way to create a worker thread for longer
+<p>The most effective way to create a worker thread for longer
 operations is with the {@link android.os.AsyncTask}
 class. Simply extend {@link android.os.AsyncTask} and implement the
 {@link android.os.AsyncTask#doInBackground doInBackground()} method to perform the work.