docs: Update README.md (#106)

caroso1222 · wardbell · commit 06b708bef71e · 2017-05-02T10:22:01.000-07:00
diff --git a/README.md b/README.md
@@ -62,7 +62,7 @@ Usage:
 ```
 
 ## Basic usage
-Create an `InMemoryDataService` class that implements `InMemoryDataService`.
+Create an `InMemoryDataService` class that implements `InMemoryDbService`.
 
 At minimum it must implement `createDb` which 
 creates a "database" hash whose keys are collection names
