diff --git a/specification/containerregistry/resource-manager/Microsoft.ContainerRegistry/preview/2018-02-01-preview/containerregistry_build.json b/specification/containerregistry/resource-manager/Microsoft.ContainerRegistry/preview/2018-02-01-preview/containerregistry_build.json
index ef7c5551a049..929fd5b1270c 100644
--- a/specification/containerregistry/resource-manager/Microsoft.ContainerRegistry/preview/2018-02-01-preview/containerregistry_build.json
+++ b/specification/containerregistry/resource-manager/Microsoft.ContainerRegistry/preview/2018-02-01-preview/containerregistry_build.json
@@ -1251,12 +1251,9 @@
           "description": "The time the build finished.",
           "type": "string"
         },
-        "outputImageNames": {
-          "description": "The list of all images that were generated from the build.",
-          "type": "array",
-          "items": {
-            "type": "string"
-          }
+        "outputImageManifests": {
+          "description": "The list of comma-separated image manifests that were generated from the build.",
+          "type": "string"
         },
         "isArchiveEnabled": {
           "description": "The value that indicates whether archiving is enabled or not.",