?help in a private message no longer gives "I send you some help in the DMs" message

README.md

@@ -76,9 +76,10 @@ Then to find out more info about a location, use `?info`:
 ```
 
 
-`?selling` can be used to find items for sale:
+`?selling` can be used to find items for sale. Tip is better search for a subset of the item name. 
+ig for `enderchests` search `ender`:
 ```
-?selling dirt
+?selling ender
 ```
 
 You can also search around a position for locations with `?find_around`:

geoffrey/bot.py

@@ -78,7 +78,7 @@ class GeoffreyBot(commands.Bot):
         logger.info("User %s, used command %s%s with context: %s", ctx.message.author, ctx.command, subcommand,
                     ctx.args)
 
-        if ctx.invoked_with.lower() == 'help':
+        if ctx.invoked_with.lower() == 'help' and ctx.message.guild is not None:
             await ctx.send("{}, I sent you some help in the DMs.".format(ctx.message.author.mention))
 
     async def on_command_error(self, ctx, error):