Update to some comments

gracedb/api/v1/superevents/urls.py

@@ -97,8 +97,7 @@ suburlpatterns = [
     # Permissions list and creation
     url(r'permissions/$', SupereventGroupObjectPermissionViewSet.as_view(
         {'get': 'list'}), name='superevent-permission-list'),
-    # Permissions modification (expose/hide superevent). Has to come before
-    # permissions detail, otherwise .+ wildcard will match it first.
+    # Permissions modification (expose/hide superevent).
     url(r'^permissions/modify/$',
         SupereventGroupObjectPermissionViewSet.as_view({'post': 'modify'}),
         name='superevent-permission-modify'),

gracedb/core/middleware/api.py

@@ -22,10 +22,8 @@ class CliExceptionMiddleware(MiddlewareMixin):
 
 class ClientVersionMiddleware(object):
     """
-    Middleware class which checks the user's IP against a list of IPs
-    corresponding to instrument control rooms.  If the user appears to be
-    in a control room, we add them to the corresponding control room group
-    for the duration of the request.
+    Middleware class which checks the version of gracedb-client for
+    compatibility with the server.
     """
     client_string = 'gracedb-client'
     error_messages = {