diff --git a/cogs/commands/set.py b/cogs/commands/set.py
index 21a431b..0421d2e 100644
--- a/cogs/commands/set.py
+++ b/cogs/commands/set.py
@@ -1,6 +1,4 @@
-"""
-Set command heirarchy.
-"""
+"""Set command hierarchy."""
 
 import nextcord
 from nextcord.ext import commands
@@ -13,20 +11,14 @@ from utilities.utils import MAX_LINE_LENGTH, autofill_groups
 
 
 class SetCog(commands.Cog, name="Set command."):
-    """
-    Class holds commands for setting variables in guild's database.
-    """
+    """Class holds commands for setting variables in guild's database."""
 
     def __init__(self) -> None:
-        """
-        Default constructor for SetCog class. Does nothing.
-        """
+        """Default constructor for SetCog class. Does nothing."""
 
     @nextcord.slash_command(default_member_permissions=nextcord.Permissions(administrator=True))
-    async def set(self, interaction: nextcord.Interaction):
-        """
-        Parent slash command for setting settings. Never called.
-        """
+    async def set(self, interaction: nextcord.Interaction) -> None:
+        """Parent slash command for setting settings. Never called."""
 
     @set.subcommand(description="Registers the channel for a Category Group's messages.")
     async def group_output_channel(
@@ -121,7 +113,7 @@ class SetCog(commands.Cog, name="Set command."):
 
         Args:
             interaction (nextcord.Interaction): Interaction that invoked the command
-            channel Optional[nextcord.abc.GuildChannel], optional): Channel to register
+            channel (nextcord.abc.GuildChannel, optional): Channel to register.
                 Is a SlashOption. Limited to text channels, Defaults to None.
         """
         if not channel:
@@ -151,6 +143,7 @@ class SetCog(commands.Cog, name="Set command."):
 
         Args:
             interaction (nextcord.Interaction): Interaction that invoked the command
+            group_id (str): The group to change the username length of.
             length (int): Number of characters. Is SlashOption. Defaults to 12.
         """
         with Session(engine) as session:
@@ -196,7 +189,7 @@ class SetCog(commands.Cog, name="Set command."):
     @group_output_channel.on_autocomplete("group_id")
     @pad_length.on_autocomplete("group_id")
     @username_length.on_autocomplete("group_id")
-    async def group_autocomplete(self, interaction: nextcord.Interaction, group_id: str):
+    async def group_autocomplete(self, interaction: nextcord.Interaction, group_id: str) -> None:
         """
         Sends results from autofill_groups back to group_output_channel for autocompletion of group_id.