diff --git a/Gemfile b/Gemfile
index 789e27f3..3d31db9c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,6 +10,8 @@ end
 gem 'rails', '~> 5.1.0'
 # Use mysql as the database for Active Record
 # gem 'mysql2', '>= 0.3.18', '< 0.5'
+
+#Use PosgreSQL
 gem 'pg'
 
 # redis server for cable