README.md in option_initializer-1.5.0 vs README.md in option_initializer-1.5.1

@@ -15,14 +15,14 @@
 
 class Person
   include OptionInitializer
 
   option_initializer :id,
-                     :name => String,
+                     :name      => String,
                      :greetings => :&,
-                     :birthday => 1..3,
-                     :sex => Set[:male, :female]
+                     :birthday  => 1..3,
+                     :sex       => Set[:male, :female]
 
   option_validator :name do |v|
     raise ArgumentError, "invalid name" if v.empty?
   end
 
@@ -76,10 +76,10 @@
   option_initializer :a,                              # Single object of any type
                      :b => 2,                         # Two objects of any type
                      :c => 1..3,                      # 1, 2, or 3 objects of any type
                      :d => :*,                        # Any number of objects of any type
                      :e => :&,                        # Block
-                     :f => Fixnum,                    # Single Fixnum object
+                     :f => Fixnum | Range,            # Single Fixnum or Range object
                      :g => [Fixnum, String, Symbol],  # Fixnum, String, and Symbol
                      :h => Set[true, false],          # Value must be either true or false
                      :i => [Fixnum, Set[true, false]] # Fixnum and boolean
 
   # Validator for :f