2 files changed, 19 insertions, 4 deletions

diff --git a/docs/index.rst b/docs/index.rst
index eebe893..436d7cc 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -385,10 +385,13 @@ Media dicts
         'preview_url': # The URL for the media preview
         'text_url': # The display text for the media (what shows up in toots)
         'meta': # Dictionary of two image metadata dicts (see below), 
-                # 'original' and 'small' (preview)
+                # 'original' and 'small' (preview). Either may be empty.
+                # May additionally contain an "fps" field giving a videos frames per second (possibly
+                # rounded), and a "length" field giving a videos length in a human-readable format.
+                # Note that a video may have an image as preview.
     }
     
-    # Metadata dicts:
+    # Metadata dicts (image) - all fields are optional:
     {
        'width': # Width of the image in pixels
        'height': # Height of the image in pixels
@@ -396,6 +399,14 @@ Media dicts
        'size': # Textual representation of the image size in pixels, e.g. '800x600'
     }
     
+    # Metadata dicts (video, gifv) - all fields are optional:
+    {
+        'width': # Width of the video in pixels
+        'heigh': # Height of the video in pixels
+        'frame_rate': # Exact frame rate of the video in frames per second
+        'duration': # Duration of the video in seconds
+        'bitrate': # Average bit-rate of the video in bytes per second
+    }
 Card dicts
 ~~~~~~~~~~
 .. _card dict:
@@ -452,6 +463,8 @@ Instance dicts
         'version': # The instances mastodon version
         'urls': # Additional URLs dict, presently only 'streaming_api' with the 
                 # stream websocket address.
+        'contact_account': # Account dict of the primary contact for the instance.
+        'languages': # Array of ISO 6391 language codes the instance has chosen to advertise.
     }
 
 Activity dicts
diff --git a/mastodon/Mastodon.py b/mastodon/Mastodon.py
index 1056d7a..5a32be0 100644
--- a/mastodon/Mastodon.py
+++ b/mastodon/Mastodon.py
@@ -1143,9 +1143,9 @@ class Mastodon:
         url = '/api/v1/accounts/{0}/unmute'.format(str(id))
         return self.__api_request('POST', url)
 
-    @api_version("1.1.1", "2.1.0")
+    @api_version("1.1.1", "2.3.0")
     def account_update_credentials(self, display_name=None, note=None,
-                                   avatar=None, header=None):
+                                   avatar=None, header=None, locked=None):
         """
         Update the profile for the currently logged-in user.
 
@@ -1154,6 +1154,8 @@ class Mastodon:
         'avatar' and 'header' are images encoded in base64, prepended by a content-type
         (for example: 'data:image/png;base64,iVBORw0KGgoAAAA[...]')
         
+        'locked' specifies whether the user needs to manually approve follow requests.
+        
         Returns the updated `user dict` of the logged-in user.
         """
         params = self.__generate_params(locals())