updating per feedback

updating per feedback

Author: heckj

docs/validate.rst

@@ -185,14 +185,24 @@ implements.
 .. autoclass:: Draft4Validator
 
 For example, if you wanted to validate a schema you created against the Draft 3
-json schema, you could use::
+json schema, you could use:
 
 .. code-block:: python
 
 
-    from jsonschema import Draft3Validator
-    my_schema = json.loads(my_schema_file)
-    Draft3Validator.check_schema(schema)
+    from jsonschema import Draft4Validator
+    
+    schema = {
+        "$schema": "http://json-schema.org/schema#"
+        
+        "type": "object",
+        "properties": {
+            "name": {"type": "string"},
+            "email": {"type": "string"},
+        }
+        "required": ["email"],
+    }
+    Draft4Validator.check_schema(schema)
 
 
 Validating Formats
@@ -273,4 +283,3 @@ color       requires webcolors_
 .. _rfc3987: http://pypi.python.org/pypi/rfc3987/
 .. _strict-rfc3339: http://pypi.python.org/pypi/strict-rfc3339/
 .. _webcolors: http://pypi.python.org/pypi/webcolors/
-.. _understanding_json_schema: http://spacetelescope.github.io/understanding-json-schema/