Some fixes for the Documentation of Hash and Kernel

mrblib/hash.rb

@@ -61,13 +61,11 @@ class Hash
   ##
   # Return a hash which contains the content of
   # +self+ and +other+. If a block is given
-  # call the block for each duplicate key and
-  # pass the key, old value and new value.
-  # The value of the block will be replacing
-  # the duplicate element in the has which will
-  # be returned.
-  #
-  # 15.2.13.4.22
+  # it will be called for each element with
+  # a duplicate key. The value of the block
+  # will be the final value of this element.
+  # 
+  # ISO 15.2.13.4.22
   def merge(other, &block)
     h = {}
     raise "can't convert argument into Hash" unless other.respond_to?(:to_hash)

mrblib/kernel.rb

@@ -38,7 +38,7 @@ module Kernel
   end
 
   ##
-  # Alias for Kernel.lambda.
+  # Alias for +Kernel.lambda+.
   #
   # 15.3.1.3.27
   def lambda(&block)
@@ -47,7 +47,7 @@ module Kernel
   end
 
   ##
-  # Alias for Kernel.loop.
+  # Alias for +Kernel.loop+.
   #
   # ISO 15.3.1.3.29
   def loop #(&block)