fixing spelling for brewerydb script

Author: koriroys

src/scripts/brewerydb.coffee

@@ -16,7 +16,7 @@
 module.exports = (robot) ->
   robot.respond /beer me (.*)/i, (msg) ->
     unless process.env.BREWERYDB_API_KEY?
-      msg.send "Please sepcify your BreweyDB API key in BREWERYDB_API_KEY"
+      msg.send "Please specify your BreweyDB API key in BREWERYDB_API_KEY"
       return
     msg.http("http://api.brewerydb.com/v2/search")
       .query