diff --git a/requests/models.py b/requests/models.py
index 16d1dd82..58e7f9a7 100644
--- a/requests/models.py
+++ b/requests/models.py
@@ -97,7 +97,7 @@ class Request(object):
         #: :class:`Request <Request>`.
         self.data = None
 
-        #: Dictionary or byte of querystring data to attach to the
+        #: Dictionary of querystring data to attach to the
         #: :class:`Request <Request>`. The dictionary values can be lists for representing
         #: multivalued query parameters.
         self.params = None