README.md in qlang-0.0.14142135 vs README.md in qlang-0.0.27000000

@@ -11,12 +11,17 @@
 => ( - sin( x ) )
 
 d/dx(log(x))
 => ( 1 / x )
 
-d/dy(y ** 2)                        
+# You can omit parentheses
+
+d/dy y^2                        
 => ( 2 * y )
+
+d/dy xy                       
+=> ( x )
 ```
 
 
 ### Integrate
 
@@ -45,11 +50,13 @@
 => (14 32)
 ```
 
 ### Function
 ```
-f(x, y) = x + y
+f(x, y) = xy
+f(1, 2)
+=> 2
 ```
 
 
 ## How to use
 
@@ -70,10 +77,10 @@
     $ qlang -i
 
 
 ## Contributing
 
-1. Fork it ( https://github.com/[my-github-username]/qlang/fork )
+1. Fork it ( https://github.com/gogotanaka/Q/fork )
 2. Create your feature branch (`git checkout -b my-new-feature`)
 3. Commit your changes (`git commit -am 'Add some feature'`)
 4. Push to the branch (`git push origin my-new-feature`)
 5. Create a new Pull Request