diff --git a/src/main/cogs/booru.py b/src/main/cogs/booru.py
index c74f59d..3d65b16 100644
--- a/src/main/cogs/booru.py
+++ b/src/main/cogs/booru.py
@@ -53,11 +53,13 @@ class MsG:
 
     for tag in tags:
       tag_request = await u.fetch('https://e621.net/tag/related.json', params={'tags': tag, 'type': 'general'}, json=True)
-      for rel in tag_request.get(tag, [None]):
+      for rel in tag_request.get(tag, []):
         related.append(rel[0])
 
       await dest.send('`{}` **related tags:**\n```\n{}```'.format(tag, formatter.tostring(related)))
 
+      await asyncio.sleep(self.RATE_LIMIT)
+
       related.clear()
 
     await ctx.message.add_reaction('✅')
@@ -79,6 +81,8 @@ class MsG:
 
       await dest.send('`{}` **aliases:**\n```\n{}```'.format(tag, formatter.tostring(aliases)))
 
+      await asyncio.sleep(self.RATE_LIMIT)
+
       aliases.clear()
 
     await ctx.message.add_reaction('✅')
diff --git a/src/main/cogs/tools.py b/src/main/cogs/tools.py
index 6772b94..3a124cd 100644
--- a/src/main/cogs/tools.py
+++ b/src/main/cogs/tools.py
@@ -42,7 +42,7 @@ class Utils:
     print(command_dict)
     await ctx.invoke(command_dict.get(str(ctx.author.id), {}).get('command', None), args)
 
-  # [prefix]ping -> Pong!
+  # Displays latency
   @commands.command(aliases=['p'], brief='Pong!', description='Returns latency from bot to Discord servers, not to user')
   @checks.del_ctx()
   async def ping(self, ctx):