Merge pull request #2717 from frontdevde/patch-2

Updated browser prefix config

tasks/config/tasks.js

@@ -114,7 +114,7 @@ module.exports = {
     /* What Browsers to Prefix */
     prefix: {
       browsers: [
-        'last 2 version',
+        'last 2 versions',
         '> 1%',
         'opera 12.1',
         'bb 10',
@@ -157,4 +157,4 @@ module.exports = {
     }
 
   }
-};
+};