diff --git a/src/cosmosdb-preview/README.md b/src/cosmosdb-preview/README.md
index 696a225f556..26a55fba89b 100644
--- a/src/cosmosdb-preview/README.md
+++ b/src/cosmosdb-preview/README.md
@@ -13,7 +13,7 @@ This package provides commands to
 Install this extension using the below CLI command
 
 ```sh
-az extension add --name cosmodb-preview
+az extension add --name cosmosdb-preview
 ```
 
 ### Included Features ###