diff --git a/docs/reusable-components.md b/docs/reusable-components.md
index 7055bb24..afc73207 100644
--- a/docs/reusable-components.md
+++ b/docs/reusable-components.md
@@ -35,6 +35,7 @@ An Overlay can either be statically positioned or can be used to implement a too
 ```javascript
 { 
   feature:  ol/Feature,
+  layer: ol/Layer,
   hoverAttribute: string
 }
 ```
@@ -70,7 +71,7 @@ export default {
 
 #### Feature hover tooltip
 
-The following example implements a customized tooltip to render an attribute of a feature, when it is hovered on the map. Again, the default slot of `<wgu-map-overlay>` is filled by a `<v-sheet>`. A data object containing the `feature` and optionally `hoverAttribute` properties is available from the slot-scope. Declare the following vue template and add it to you `WguAppTemplate`:
+The following example implements a customized tooltip to render an attribute of a feature, when it is hovered on the map. Again, the default slot of `<wgu-map-overlay>` is filled by a `<v-sheet>`. A data object containing the `feature`, `layer` and optionally `hoverAttribute` properties is available from the slot-scope. Declare the following vue template and add it to you `WguAppTemplate`:
 
 ```javascript
 <template>