diff --git a/schemas/2020-06-01/Microsoft.Cache.json b/schemas/2020-06-01/Microsoft.Cache.json
index ec0b3ddfa6..6b0b3df263 100644
--- a/schemas/2020-06-01/Microsoft.Cache.json
+++ b/schemas/2020-06-01/Microsoft.Cache.json
@@ -505,7 +505,7 @@
               "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
             }
           ],
-          "description": "Static IP address. Required when deploying a Redis cache inside an existing Azure Virtual Network."
+          "description": "Static IP address. Optionally, may be specified when deploying a Redis cache inside an existing Azure Virtual Network; auto assigned by default."
         },
         "subnetId": {
           "oneOf": [
diff --git a/schemas/2020-12-01/Microsoft.Cache.json b/schemas/2020-12-01/Microsoft.Cache.json
index 5b5bb922fb..66ac19cc5b 100644
--- a/schemas/2020-12-01/Microsoft.Cache.json
+++ b/schemas/2020-12-01/Microsoft.Cache.json
@@ -520,7 +520,7 @@
               "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
             }
           ],
-          "description": "Static IP address. Required when deploying a Redis cache inside an existing Azure Virtual Network."
+          "description": "Static IP address. Optionally, may be specified when deploying a Redis cache inside an existing Azure Virtual Network; auto assigned by default."
         },
         "subnetId": {
           "oneOf": [