diff --git a/htdocs/core/lib/images.lib.php b/htdocs/core/lib/images.lib.php
index 37627a15bf9..6204dd0dd9f 100644
--- a/htdocs/core/lib/images.lib.php
+++ b/htdocs/core/lib/images.lib.php
@@ -315,7 +315,7 @@ function dolRotateImage($file_path)
  *
  * @param string $fileSource Full path to source image to rotate
  * @param string $fileDest string : Full path to image to rotate | false return gd img  | null  the raw image stream will be outputted directly
- * @param int $quality
+ * @param int $quality output image quality
  * @return bool : true on success or false on failure or gd img if $fileDest is false.
  */
 function correctExifImageOrientation($fileSource, $fileDest, $quality = 95)