Fix webhook_update from code review

discord/state.py

@@ -780,8 +780,9 @@ class ConnectionState:
         self.process_listeners(ListenerType.chunk, guild, len(members))
 
     def parse_webhooks_update(self, data):
-        channel = self.get_channel(int(data["channel_id"]))
-        self.dispatch("webhooks_update", channel)
+        channel = self.get_channel(int(data['channel_id']))
+        if channel:
+            self.dispatch('webhooks_update', channel)
 
     def parse_voice_state_update(self, data):
         guild = self._get_guild(utils._get_as_snowflake(data, 'guild_id'))

docs/api.rst

@@ -384,7 +384,7 @@ to handle it, which defaults to print a traceback and ignoring the exception.
 
     Called whenever a webhook is created, modified, or removed from a guild channel.
 
-    :param channel: The :class:`abc.GuildChannel` that had it's webhooks updated.
+    :param channel: The :class:`abc.GuildChannel` that had its webhooks updated.
 
 .. function:: on_member_join(member)
               on_member_remove(member)