Gemfile in bp3-hello-world-0.1.3 vs Gemfile in bp3-hello-world-0.1.4

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-source "https://rubygems.org"
+source 'https://rubygems.org'
 
 # Specify your gem's dependencies in bp3-hello-world.gemspec
 gemspec