Update index.js

Author: egilmorez

Node/quickstarts/callable-functions/functions/index.js

@@ -15,11 +15,11 @@
  */
 
 // [START imports]
-// Dependencies for callable functions
+// Dependencies for callable functions.
 const {onCall, HttpsError} = require("firebase-functions/v2/https");
 const {logger} = require("firebase-functions/v2");
 
-// Dependencies for the addMessage function
+// Dependencies for the addMessage function.
 const {getDatabase} = require("firebase-admin/database");
 const sanitizer = require("./sanitizer");
 // [END imports]