diff --git a/Install-Tracks-2.5.1-on-Ubuntu-20.04-LTS-on-AWS-with-SSL-support.md b/Install-Tracks-2.5.1-on-Ubuntu-20.04-LTS-on-AWS-with-SSL-support.md
index f1ef693..c2334b5 100644
--- a/Install-Tracks-2.5.1-on-Ubuntu-20.04-LTS-on-AWS-with-SSL-support.md
+++ b/Install-Tracks-2.5.1-on-Ubuntu-20.04-LTS-on-AWS-with-SSL-support.md
@@ -42,13 +42,6 @@ Edit `Gemfile`, I'm using `nano`
 $ nano Gemfile
 ```
 
-Comment out unused backends
-
-```
-# gem "mysql2", "~> 0.5.3", group: :mysql
-# gem "pg", "~> 1.2.3", group: :postgresql
-```
-
 ```bash
 $ cp config/database.yml.tmpl config/database.yml
 $ nano config/database.yml
@@ -102,7 +95,7 @@ We will be installing all Ruby packages into this local folder for not messing u
 ```bash
 $ bundle config set --local path 'vendor/bundle'
 $ export RAILS_SERVE_STATIC_FILES=true
-$ bundle install
+$ bundle install --without=mysql,postgresql # Edit per your needs
 ```
 
 Compile static assets