diff --git a/main/inc/lib/fileUpload.lib.php b/main/inc/lib/fileUpload.lib.php
index 59fdeb36f9..54ac9fa886 100644
--- a/main/inc/lib/fileUpload.lib.php
+++ b/main/inc/lib/fileUpload.lib.php
@@ -1087,7 +1087,7 @@ function clean_up_path(&$path)
  * The list of extensions accepted/rejected can be found from 
  * api_get_setting('upload_extensions_exclude') and api_get_setting('upload_extensions_include')
  * @param	string 	filename passed by reference. The filename will be modified if filter rules say so! (you can include path but the filename should look like 'abc.html')
- * @return	int		0 to skip file in zip extraction, 1 to keep file
+ * @return	int		0 to skip file, 1 to keep file
  */
 function filter_extension(&$filename)
 {