diff --git a/include/android/input.h b/include/android/input.h
index b5c1e5c..fec56f0 100644
--- a/include/android/input.h
+++ b/include/android/input.h
@@ -1492,7 +1492,10 @@
 
 /**
  * Creates a java android.view.InputEvent object that is a copy of the specified native
- * {@link AInputEvent}. Returns null on error
+ * {@link AInputEvent}.
+ *
+ * Specified {@link AInputEvent} is require to be a valid {@link MotionEvent} or {@link KeyEvent}
+ * object.
  *
  *  Available since API level 35.
  */