got it down to string equality/identity

lib/register/instructions/load_constant.rb

@@ -1,14 +1,14 @@
 module Register
   # load a constant into a register
   #
-  # first arguemnt is the register the constant is loaded into 
+  # first arguemnt is the register the constant is loaded into
   # second is the actual constant
- 
+
   class LoadConstant < Instruction
     def initialize value , constant
       @value = value
       @constant = constant
     end
-    attr_accessor :value , :constant 
+    attr_accessor :value , :constant
   end
 end