remove spaces

app/controllers/projects_controller.rb

@@ -115,7 +115,7 @@ class ProjectsController < ApplicationController
     respond_to do |format|
       format.html # show.html.erb
       format.js do 
-        # diasbale cache to allow back button works
+        # disable cache to allow back button works
         response.headers["Cache-Control"] = "no-cache, no-store, max-age=0, must-revalidate"
         response.headers["Pragma"] = "no-cache"
         response.headers["Expires"] = "Fri, 01 Jan 1990 00:00:00 GMT"