Fixed a typo.

sww · web-flow · commit 740f61634c8f · 2018-07-17T23:03:03.000-07:00
diff --git a/docs/tips.rst b/docs/tips.rst
@@ -52,7 +52,7 @@ Given the model
 
     class PetConnection(Connection):
         class Meta:
-            node = PetNone
+            node = PetNode
 
 
     class Query(ObjectType):
