Update oc-mirror-imageset-config-parameters-v2.adoc

Author: kchawlani19

modules/oc-mirror-imageset-config-parameters-v2.adoc

@@ -56,7 +56,7 @@ additionalImages:
 Example: `registry.redhat.io/ubi8/ubi:latest`
 
 |`mirror.blockedImages`
-|The full tag, digest, or pattern of images to block from mirroring.
+|List of images with a tag or digest (SHA) to block from mirroring.
 |Array of strings 
 Example: `docker.io/library/alpine`