wip

README.md

@@ -98,7 +98,7 @@ schema_g = py2neo.Graph(name="test_graph")
 schema_g.merge(changes_subgraph)
 ```
 
-Now we only see the part of our schema that changes:
+Now we only see the part of our schema that changed:
 
 !["docs/04_schema_changes.png"](docs/04_schema_changes.png)