diff --git a/docs/plugins/overlays.md b/docs/plugins/overlays.md
index 474f1338d3ee2e57c2ddca890a468dac2484f02c..ac86b9c1a7d771c858cc472bc0ed7492dfc3a244 100644
--- a/docs/plugins/overlays.md
+++ b/docs/plugins/overlays.md
@@ -17,7 +17,7 @@ To get list of visible data overlays, plugins can use the `getVisibleDataOverlay
 ##### Example of getVisibleDataOverlays usage:
 
 ```javascript
-window.minerva.overlays.data.getDataOverlays();
+window.minerva.overlays.data.getVisibleDataOverlays();
 ```
 
 #### Show an overlay
@@ -57,7 +57,10 @@ To add an overlay, plugins can use the `addDataOverlay` method defined in `windo
 ##### Example of addDataOverlay usage:
 
 ```javascript
-window.minerva.overlays.addDataOverlay(109);
+window.minerva.overlays.addDataOverlay({
+  name: 'Plugin Test',
+  fileContent: 'plugin test content',
+});
 ```
 
 #### Remove an overlay