Fix Guardfile

src/main/ruby/readme.rb

@@ -33,7 +33,7 @@ module SpringCloud
       def render_file file, options = {}
 
         srcDir = File.dirname(file)
-        out = ["// Do not edit this file (go instead to src/main/asciidoc)\n","\n"]
+        out = ["// Do not edit this file (e.g. go instead to src/main/asciidoc)\n","\n"]
         File.new(file).each do |line|
           self.process(out, srcDir, line)
         end