diff --git a/readme.md b/readme.md
index 547df1b..015475c 100644
--- a/readme.md
+++ b/readme.md
@@ -193,7 +193,9 @@ You can load multiple DataLoaders in a single page. Each `DataLoader` will fetch
 
 ### Params hashing
 
-Behind the scenes the data loader uses a library called `hash-sum` to create hashes of the parameter object. You can override it on the DataProvider
+Behind the scenes the data loader uses a library called `hash-sum` to create hashes of the parameter object. You can control which of the data loader params are taken into account by specifying the cache keys (similar to React hooks).
+
+You can override the hashing function on the DataProvider if you have issues with the inbuilt library.
 
 ## More info
 
diff --git a/src/data-provider.tsx b/src/data-provider.tsx
index 646f4c9..e70d360 100644
--- a/src/data-provider.tsx
+++ b/src/data-provider.tsx
@@ -14,7 +14,7 @@ export interface Props {
     isServerSideRender?: boolean
     resources: DataLoaderResources<any>
     globalProps?: object
-    /** Override the object hasing function */
+    /** Override the object hashing function */
     objectHash?: ObjectHash
 }
 
@@ -26,7 +26,7 @@ export class DataLoaderProvider extends React.Component<Props> {
 
         this.dataLoader = new DataLoaderStoreAndLoader(
             // tslint:disable-next-line:no-empty
-            this.props.onEvent || (() => {}),
+            this.props.onEvent || (() => { }),
             this.props.initialState,
             params => {
                 const dataLoader = this.props.resources.getResourceLoader(params.resourceType)