diff --git a/libcutils/include/cutils/native_handle.h b/libcutils/include/cutils/native_handle.h
index f6cae360f..4f0745605 100644
--- a/libcutils/include/cutils/native_handle.h
+++ b/libcutils/include/cutils/native_handle.h
@@ -69,10 +69,11 @@ native_handle_t* native_handle_init(char* storage, int numFds, int numInts);
 
 /*
  * native_handle_create
- * 
+ *
  * creates a native_handle_t and initializes it. must be destroyed with
- * native_handle_delete().
- * 
+ * native_handle_delete(). Note that numFds must be <= NATIVE_HANDLE_MAX_FDS,
+ * numInts must be <= NATIVE_HANDLE_MAX_INTS, and both must be >= 0.
+ *
  */
 native_handle_t* native_handle_create(int numFds, int numInts);