diff --git a/README.rdoc b/README.rdoc
index 2f0109d..994063d 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -4,7 +4,7 @@ Guard is a command line tool to easly handle events on files modifications.
 
 == Features
 
-- {FSEvent}[http://en.wikipedia.org/wiki/FSEvents] support on Mac OS X 10.5+ (without RubyCocoa!, {rb-fsevent gem, >= 0.3.2}[https://rubygems.org/gems/rb-fsevent] required)
+- {FSEvent}[http://en.wikipedia.org/wiki/FSEvents] support on Mac OS X 10.5+ (without RubyCocoa!, {rb-fsevent gem, >= 0.3.4}[https://rubygems.org/gems/rb-fsevent] required)
 - {Inotify}[http://en.wikipedia.org/wiki/Inotify] support on Linux ({rb-inotify gem, >= 0.5.1}[https://rubygems.org/gems/rb-inotify] required)
 - Polling for others (help us to support more systems)
 - Super fast change detection (when polling not used)
@@ -39,6 +39,10 @@ Install growl for Growl notification support
 
     gem install growl
 
+And add it to you Gemfile
+
+    gem 'growl'
+
 === On Linux
 
 Install rb-inotify for {inotify}[http://en.wikipedia.org/wiki/Inotify] support
@@ -49,6 +53,10 @@ Install libnotify for libonity notification support
 
     gem install libnotify
 
+And add it to you Gemfile
+
+    gem 'libnotify'
+
 == Usage
 
 Just launch Guard inside your ruby/rails project with:
@@ -76,6 +84,7 @@ Signal handlers are used to interact with Guard:
 - {guard-minitest}[http://github.com/guard/guard-minitest]
 - {guard-livereload}[http://github.com/guard/guard-livereload]
 - {guard-sass}[http://github.com/guard/guard-sass]
+- {guard-compass}[http://github.com/guard/guard-compass]
 - {guard-shell}[http://github.com/guard/guard-shell]
 - {guard-bundler}[http://github.com/guard/guard-bundler]
 
diff --git a/lib/guard/notifier.rb b/lib/guard/notifier.rb
index 4793486..f200375 100644
--- a/lib/guard/notifier.rb
+++ b/lib/guard/notifier.rb
@@ -43,7 +43,7 @@ module Guard
         require 'growl'
         true
       rescue LoadError
-        UI.info "Please install growl gem for Mac OS X notification support"
+        UI.info "Please install growl gem for Mac OS X notification support and add it to your Gemfile"
         false
       end
     end
@@ -53,7 +53,7 @@ module Guard
         require 'libnotify'
         true
       rescue LoadError
-        UI.info "Please install libnotify gem for Linux notification support"
+        UI.info "Please install libnotify gem for Linux notification support and add it to your Gemfile"
         false
       end
     end