refine comments and change emoji

np-bot.js

@@ -55,7 +55,7 @@ controller.hears(["np"],["direct_message","direct_mention","mention","ambient"],
         console.log("Message was from test channel! Mention counters will not be increased.");
     }
 
-    // Decide what to do
+    // Decide whether to respond with a problem or consult Johan Botson.
     if (Math.random() < 0.9) {
         var index = Math.floor(Math.random() * problems.length);
         var base_url = "https://en.wikipedia.org/wiki/";
@@ -87,7 +87,7 @@ controller.hears(["np"],["direct_message","direct_mention","mention","ambient"],
     bot.api.reactions.add({
         timestamp: message.ts,
         channel: message.channel,
-        name: "mount_fuji",
+        name: "raised_hands",
     },function(err, res) {
         if (err) {
             bot.botkit.log('Failed to add reaction emoji');