better comment for the regex

lib/service-worker-builder.js

@@ -87,7 +87,7 @@ module.exports = class ServiceWorkerBuilder {
     let rollupReplaceConfig = {
       include: [
         '/**/ember-service-worker/**/*.js',
-        // same as above but for windows paths like D:\my-ember\ember-service-worker\whatever\sw.js;
+        // same as above but for windows paths like D:\my-ember\ember-service-worker\whatever\sw.js; which are updated before this step to D:/my-ember/ember-service/worker/whatever/sw.js
         // the original one doesn't work when the source code and the %TMP% folder, which ember started to use after v3.5, are located on different logical drives
         // which is quite common in Windows.
         /^[a-z]:\/(?:[^\/:*?"<>|\r\n]+\/)*ember-service-worker\/(?:[^\/:*?"<>|\r\n]+\/)*[^\/:*?"<>|\r\n]*\.js$/i