changed the MissingRequiredArgument error handling to be more useful.

Roxbot/cogs/selfassign.py

@@ -46,7 +46,7 @@ class SelfAssign():
 		if role is None:
 			# Hacky way to get the error I want
 			from inspect import Parameter
-			raise commands.MissingRequiredArgument(Parameter("role", False))
+			raise commands.MissingRequiredArgument(Parameter("Role", False))
 
 		if not settings.self_assign["enabled"]:
 			embed = discord.Embed(colour=discord.Colour(self.embed_colour),

Roxbot/err_handle.py

@@ -39,7 +39,7 @@ class ErrHandle:
 			elif isinstance(error, commands.DisabledCommand):
 				embed = discord.Embed(description="This command is disabled.")
 			elif isinstance(error, commands.MissingRequiredArgument):
-				embed = discord.Embed(description="Argument missing.")
+				embed = discord.Embed(description="Argument missing. {}".format(error.args[0]))
 			elif isinstance(error, commands.BadArgument):
 				embed = discord.Embed(description="Invalid Argument given. Please check arguments given.")
 			elif isinstance(error, commands.TooManyArguments):