Add missing class docstrings in Downloader, Reports and Streams

redbot/cogs/downloader/downloader.py

@@ -36,6 +36,17 @@
 
 @cog_i18n(_)
 class Downloader(commands.Cog):
+    """Install community cogs made by Cog Creators.
+
+    Community cogs, also called third party cogs, are not included
+    in the default Red install.
+
+    Community cogs always come in repositories. Repos are a
+    group of cogs by one creator you can install. You always need
+    to add the creater's repository using the `[p]repo` command
+    before you can install cogs from the creator.
+    """
+
     def __init__(self, bot: Red):
         super().__init__()
         self.bot = bot

redbot/cogs/reports/reports.py

@@ -23,6 +23,12 @@
 
 @cog_i18n(_)
 class Reports(commands.Cog):
+    """Create user reports that server staff can respond to.
+
+    Users can open reports using `[p]report`. These are then sent
+    to a channel in the server for staff, and the report creator
+    gets a DM. Both can be used to communicate. 
+    """
 
     default_guild_settings = {"output_channel": None, "active": False, "next_ticket": 1}
 

redbot/cogs/streams/streams.py

@@ -38,6 +38,15 @@
 
 @cog_i18n(_)
 class Streams(commands.Cog):
+    """Various commands relating to streaming platforms.
+
+    You can check if a Twitch, YouTube, Picarto or Mixer stream is
+    currently live. Stream alerts can also be configured to
+    automatically post in a channel when a streamer goes live.
+
+    Twitch and YouTube require access to their API, so you need to
+    set API tokens.
+    """
 
     global_defaults = {"refresh_timer": 300, "tokens": {}, "streams": []}