README.md in hash_pivot-0.2.0 vs README.md in hash_pivot-0.3.0

@@ -20,10 +20,17 @@
 
 #### Prepare data
 
 Prepare Array of Hash.
 
+id | role | team | age
+-- | -- | -- | --
+1 | guest | rabbit | 1
+2 | guest | mouse | 2
+3 | guest | rabbit | 3
+4 | admin | mouse | 4
+
 ```ruby
  data = [
   { id: 1, role: 'guest', team: 'rabbit', age: 1 },
   { id: 2, role: 'guest', team: 'mouse', age: 2 },
   { id: 3, role: 'guest', team: 'rabbit', age: 3 },
@@ -42,10 +49,15 @@
 #    "rabbit" => [{ :id => 1, :role => "guest", :team => "rabbit", :age => 1 }, { :id => 3, :role => "guest", :team => "rabbit", :age => 3 }],
 #    "mouse" => [{ :id => 2, :role => "guest", :team => "mouse", :age => 2 }] },
 #  { :role => "admin", "rabbit" => [], "mouse" => [{ :id => 4, :role => "admin", :team => "mouse", :age => 4 }] }]
 ```
 
+role | rabbit | mouse
+-- | -- | --
+guest | {1	guest	rabbit	1} {3	guest	rabbit	3} | {2	guest	mouse	2}
+admin |   | {4	admin	mouse	4}
+
 Grouping by `:role` and pivot in `:team`.
 
 Pivot column is nil. This means that pivot column is automatically configured.
 
 ```ruby
@@ -67,9 +79,33 @@
 HashPivot.pivot(data, :role, :team, %w[rabbit mouse]) { |array| array.sum { |h| h[:age] } }
 
 # [{ :role => "guest", "rabbit" => 4, "mouse" => 2 }, { :role => "admin", "rabbit" => 0, "mouse" => 4 }]
 ```
 
+role | rabbit | mouse
+-- | -- | --
+guest | 4 | 2
+admin | 0 | 4
+
+#### Pivot with summarize and replacing label.
+
+If you give Hash for pivot kinds like this, pivot data is summarized by block and replace with labels.
+
+```ruby
+pivot_kinds = { 'rabbit' => 'RABBIT AGE',
+                'mouse' => 'MOUSE AGE' }
+```
+
+```ruby
+HashPivot.pivot(data, :role, :team, pivot_kinds) { |array| array.sum { |h| h[:age] } }
+
+# [{ :role => "guest", "RABBIT AGE" => 4, "MOUSE AGE" => 2 }, { :role => "admin", "RABBIT AGE" => 0, "MOUSE AGE" => 4 }]
+```
+
+role | RABBIT AGE | MOUSE AGE
+-- | -- | --
+guest | 4 | 2
+admin | 0 | 4
 
 ### Pivot Array of Struct
 
 #### Prepare data