diff --git a/lib/ansible/modules/cloud/azure/azure_rm_storageaccount.py b/lib/ansible/modules/cloud/azure/azure_rm_storageaccount.py
index 47b557913a..bedb3b050b 100644
--- a/lib/ansible/modules/cloud/azure/azure_rm_storageaccount.py
+++ b/lib/ansible/modules/cloud/azure/azure_rm_storageaccount.py
@@ -77,7 +77,7 @@ options:
         default: 'Storage'
         choices:
             - Storage
-            - StorageBlob
+            - BlobStorage
         version_added: "2.2"
 
 extends_documentation_fragment: