diff --git a/README.md b/README.md
index 31c1159351..7be33eff4b 100644
--- a/README.md
+++ b/README.md
@@ -62,9 +62,9 @@ You can easily change the theme colors by changing the file `src/yml/theme.yml`,
 
 ### GitHub pages
 
-It's a known issue that you can't run `gulp` when deploying the website into GitHub pages. If that's your case, you can change the theme colors in `src/_config.yml` and again in `src/styl/theme.json`.
+It's a known issue that you can't run Gulp when deploying the website into GitHub pages. So, you must change the theme colors and run `gulp build` locally, then push the changes into your repo, there is no other way.
 
-> **Attention:** Bear in mind that if you run `gulp` or `gulp build` locally, then deploy it into GitHub pages, the changes you've made on the two files above will be overlapped by the colors from `src/yml/theme.yml`.
+To see how your website is going to look like when you deploy it, run `bundle exec jekyll serve` locally and access `http://127.0.0.1:4000/`.
 
 ## Posts