diff --git a/cogs/interaction.py b/cogs/interaction.py
index 06210fb..162b2e8 100644
--- a/cogs/interaction.py
+++ b/cogs/interaction.py
@@ -142,7 +142,7 @@ class Interaction:
                 if '.gif' in url:
                     filename = 'avatar.gif'
                 else:
-                    filename = 'avatar.webp'
+                    filename = 'avatar.jpg'
                     file = utils.convert_to_jpeg(file)
                 await ctx.send(file=file, filename=filename)
         else:
diff --git a/cogs/roulette.py b/cogs/roulette.py
index 34a3a21..4ceff40 100644
--- a/cogs/roulette.py
+++ b/cogs/roulette.py
@@ -65,7 +65,7 @@ class Roulette:
         else:
             game = self.start_game(ctx.message.guild, time)
             if game:
-                await ctx.send("A new roulette game has just started! A random entrant will be kicked in {} minutes"\
+                await ctx.send("A new roulette game has just started! A random entrant will be kicked in {} minutes."\
                                " Type {}roulette to join this roulette...good luck~".format(game.time_left, ctx.prefix))
             else:
                 await ctx.send("There is already a roulette game running on this server!")