fix capitalization problems

plugins/chatter.lua

@@ -33,7 +33,7 @@ function chatter:action(msg, config)
 			--Uncomment the following line for Al Gore-like conversation.
 			--or (msg.reply_to_message and msg.reply_to_message.from.id == self.info.id)
 		)
-		or msg.text:match('^'..config.CMD_PAT)
+		or msg.text:match('^'..config.cmd_pat)
 		or msg.text == ''
 	) then
 		return true

plugins/shout.lua

@@ -7,7 +7,7 @@ shout.command = 'shout <text>'
 function shout:init(config)
 	shout.triggers = utilities.triggers(self.info.username, config.cmd_pat):t('shout', true).table
 	shout.doc = [[```
-]]..config.CMD_PAT..[[shout <text>
+]]..config.cmd_pat..[[shout <text>
 Shouts something. Input may be the replied-to message.
 ```]]
 end