Update label/labels.yaml

Co-authored-by: Lin Sun <[email protected]>

Author: Daniel Hawton

label/labels.yaml

@@ -60,7 +60,7 @@ labels:
   - name: istio.io/dataplane-mode
     featureStatus: Alpha
     description: Set the mode for the dataplane, e.g. "ambient", "none". If this label
-      exists along with the istio-injection label, the latter will take precedence
+      exists along with the istio-injection or istio.io/rev label, the latter will take precedence
       and this label would be ignored. Values other than "ambient" are treated as "none".
     hidden: false
     deprecated: false