diff --git a/README.md b/README.md
index b08f3fa..0f33814 100644
--- a/README.md
+++ b/README.md
@@ -56,4 +56,4 @@ export const updateThing = createAction('UPDATE_THING', WebAPI.updateThing);
 export const deleteThing = createAction('DELETE_THING', WebAPI.deleteThing);
 ```
 
-(You'll probably notice how this could be simplified even further using something like lodash's `mapValues()`.)
+(You'll probably notice how this could be simplified even further using something like [lodash's `mapValues()`](https://lodash.com/docs/4.17.10#mapValues).)