Merge pull request #104 from jenting/fix-typo

Fix typo

Author: sseago

README.md

@@ -384,7 +384,7 @@ It is not possible to use different credentials for additional Backup Storage Lo
 ### Prerequisites
 
 * Velero 1.6.0 or later
-* Azure plugin must be installed, either at install time, or by running `velero plugin install velero/velero-plugin-for-microsoft-azure:v1.2.0`
+* Azure plugin must be installed, either at install time, or by running `velero plugin add velero/velero-plugin-for-microsoft-azure:v1.2.0`
 
 ### Configure the blob container and credentials