diff --git a/sanic/config.py b/sanic/config.py
index feb3b484..f7db0465 100644
--- a/sanic/config.py
+++ b/sanic/config.py
@@ -54,7 +54,7 @@ class Config(dict):
 
     def from_pyfile(self, filename):
         """Updates the values in the config from a Python file. Only the uppercase
-        varibales in that module are stored in the config.
+        variables in that module are stored in the config.
         :param filename: an absolute path to the config file
         """
         module = types.ModuleType('config')
diff --git a/sanic/router.py b/sanic/router.py
index 29bebc3e..2045dfe1 100644
--- a/sanic/router.py
+++ b/sanic/router.py
@@ -31,11 +31,17 @@ class Router:
         @sanic.route('/my/url/<my_parameter>', methods=['GET', 'POST', ...])
         def my_route(request, my_parameter):
             do stuff...
+    or
+        @sanic.route('/my/url/<my_paramter>:type', methods['GET', 'POST', ...])
+        def my_route_with_type(request, my_parameter):
+            do stuff...
 
     Parameters will be passed as keyword arguments to the request handling
-    function provided Parameters can also have a type by appending :type to
-    the <parameter>.  If no type is provided, a string is expected.  A regular
-    expression can also be passed in as the type
+    function. Provided parameters can also have a type by appending :type to
+    the <parameter>. Given parameter must be able to be type-casted to this.
+    If no type is provided, a string is expected.  A regular expression can
+    also be passed in as the type. The argument given to the function will
+    always be a string, independent of the type.
     """
     routes_static = None
     routes_dynamic = None