Fixes

Author: javiereguiluz

reference/constraints/File.rst

@@ -237,6 +237,8 @@ Parameter         Description
 ``{{ suffix }}``  Suffix for the used file size unit (see above)
 ================  =============================================================
 
+.. _reference-constraints-file-mime-types:
+
 ``mimeTypes``
 ~~~~~~~~~~~~~
 

reference/constraints/Video.rst

@@ -183,7 +183,7 @@ in pixels.
 
 **type**: ``array`` or ``string`` **default**: ``video/*``
 
-See the :ref:`File mimeTypes option <reference-constraint-file-mime-types>` for a
+See the :ref:`File mimeTypes option <reference-constraints-file-mime-types>` for a
 description of this option and a list of common video MIME types.
 
 .. include:: /reference/constraints/_groups-option.rst.inc
@@ -255,7 +255,8 @@ The message displayed if the width of the video exceeds ``maxWidth``.
 
 **type**: ``string`` **default**: ``This file is not a valid video.``
 
-See the :ref:`File mimeTypesMessage option <reference-constraint-file-mime-types-message>`.
+The message displayed if the media type of the video is not a valid media type
+per the ``mimeTypes`` option.
 
 ``minHeightMessage``
 ~~~~~~~~~~~~~~~~~~~~