2 files changed, 3 insertions, 2 deletions
diff --git a/Gemfile b/Gemfile
index 40030b5..8b13e51 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,4 +12,5 @@ gem 'leap_web_certs', :path => 'certs'
 gem 'leap_web_help', :path => 'help'
 
 # To use debugger
-gem 'ruby-debug'
+gem 'debugger', :platforms => :mri_19
+gem 'ruby-debug', :platforms => :mri_18
diff --git a/README.md b/README.md
index fee4e60..0e77d82 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ Typically, this application is installed automatically as part of the LEAP Platf
 ### Install system requirements
 
     sudo apt-get install git ruby1.8 rubygems1.8 couchdb
-    sudo gem bundler
+    sudo gem install bundler
 
 On Debian Wheezy or later, there is a Debian package for bundler, so you can alternately run ``sudo apt-get install bundler``.