diff --git a/cloud/amazon/ec2_vol.py b/cloud/amazon/ec2_vol.py
index 52a2ed8e9ae..56a2c6fc60f 100644
--- a/cloud/amazon/ec2_vol.py
+++ b/cloud/amazon/ec2_vol.py
@@ -55,6 +55,7 @@ options:
     required: false
     default: standard
     aliases: []
+    version_added: "1.8"
   iops:
     description:
       - the provisioned IOPs you want to associate with this volume (integer).