diff --git a/tree-view-sample/USAGE.md b/tree-view-sample/USAGE.md
index 38257e75..e90e0438 100644
--- a/tree-view-sample/USAGE.md
+++ b/tree-view-sample/USAGE.md
@@ -52,7 +52,7 @@ Following, in the views object, you can then add a field with the same string as
 
 ```json
 "contributes": {
-    "viewContainers": {
+    "viewsContainers": {
         "activitybar": [
             {
                 "id": "tree-view",
@@ -71,4 +71,4 @@ Following, in the views object, you can then add a field with the same string as
         ]
     }
 }
-```
\ No newline at end of file
+```