--- includes/file.inc	2016-02-03 21:56:13.000000000 +0530
+++ includes/file.inc	2016-02-15 20:45:46.917937169 +0530
@@ -2022,7 +2022,7 @@
  *
  * @see file_transfer()
  * @see file_download_access()
- * @see hook_file_downlaod()
+ * @see hook_file_download()
  */
 function file_download_headers($uri) {
   // Let other modules provide headers and control access to the file.