Merge pull request #2275 from AndrewSirenko/note

Update volume modification example 6 hour cooldown note

Author: k8s-ci-robot

docs/modify-volume.md

@@ -40,7 +40,8 @@ The EBS CSI Driver also supports modifying tags of existing volumes (only availa
 
 ## Considerations
 
-- Keep in mind the [6 hour cooldown period](https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_ModifyVolume.html) for EBS ModifyVolume. Multiple ModifyVolume calls for the same volume within a 6 hour period will fail. 
+- Keep in mind the [6-hour cooldown period](https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_ModifyVolume.html) for EBS ModifyVolume. Multiple ModifyVolume calls for the same volume within a 6-hour period will fail.
+  - Note: If your volume modification only creates/modifies AWS resource tags, EBS ModifyVolume will not be called and this 6-hour cooldown period does not apply.  
 - Ensure that the desired volume properties are permissible. The driver does minimum client side validation. 
 
 ## Example