1 files changed, 5 insertions, 2 deletions
diff --git a/railties/lib/rails/info.rb b/railties/lib/rails/info.rb
index 357aebf584..5909446b66 100644
--- a/railties/lib/rails/info.rb
+++ b/railties/lib/rails/info.rb
@@ -1,11 +1,14 @@
 require "cgi"
 
 module Rails
+  # This module helps build the runtime properties used to display in the
+  # Rails::InfoController responses. Including the active Rails version, Ruby
+  # version, Rack version, and so on.
   module Info
     mattr_accessor :properties
     class << (@@properties = [])
       def names
-        map {|val| val.first }
+        map(&:first)
       end
 
       def value_for(property_name)
@@ -23,7 +26,7 @@ module Rails
       end
 
       def to_s
-        column_width = properties.names.map {|name| name.length}.max
+        column_width = properties.names.map(&:length).max
         info = properties.map do |name, value|
           value = value.join(", ") if value.is_a?(Array)
           "%-#{column_width}s   %s" % [name, value]