Update README

Signed-off-by: divyansh42 <diagrawa@redhat.com>

.github/workflows/manifest-build-push.yaml

@@ -1,7 +1,7 @@
 # This workflow will perform a test whenever there
 # is some change in code done to ensure that the changes
 # are not buggy and we are getting the desired output.
-name: Push manifest to Quay.io
+name: Build and Push Manifest
 on:
   push:
   workflow_dispatch:
@@ -16,7 +16,7 @@ env:
 
 jobs:
   push-quay:
-    name: Build and push image
+    name: Build and push manifest
     runs-on: ubuntu-20.04
     strategy:
       fail-fast: false
@@ -51,7 +51,7 @@ jobs:
 
       - name: Build Image
         id: build_image
-        # for testing purpose only
+        # for testing purpose only, to be changed after manifest feature merge in buildah build
         uses: divyansh42/buildah-build@manifest-support
         with:
           image: ${{ env.IMAGE_NAME }}