diff --git a/lib/mustache.rb b/lib/mustache.rb
index c260615a..9adfa3a9 100644
--- a/lib/mustache.rb
+++ b/lib/mustache.rb
@@ -288,7 +288,7 @@ def self.templateify(obj)
     end
   end
 
-  # Return the value of the configuration setting on the superclass, or return 
+  # Return the value of the configuration setting on the superclass, or return
   # the default.
   #
   # attr_name - Symbol name of the attribute.  It should match the instance variable.