added 'assert' description

README.md

@@ -3,8 +3,23 @@ Testify - Thou shalt write tests
 
 Go code (golang) set of packages that provide many tools for testifying that your code will behave as you intend.
 
-  * Mocking
   * Easy assertions
-  * HTTP mocking
+  * Mocking
+  * HTTP response trapping
 
 Read the API documentation: http://go.pkgdoc.org/github.com/stretchrcom/tetify
+
+Assert package
+--------------
+
+The `assert` package provides some helpful methods that allow you to write better test code in Go.
+
+Some examples:
+
+   func TestSomething(t *testing.T) {
+   
+     assert.Equal(t, 123, 123, "they should be equal")
+     assert.NotNil(t, object)
+     assert.Nil(t, object)
+
+   }