diff --git a/specification/web/resource-manager/Microsoft.Web/stable/2018-02-01/Provider.json b/specification/web/resource-manager/Microsoft.Web/stable/2018-02-01/Provider.json
index 6d18caa86239..6316d9e4ae32 100644
--- a/specification/web/resource-manager/Microsoft.Web/stable/2018-02-01/Provider.json
+++ b/specification/web/resource-manager/Microsoft.Web/stable/2018-02-01/Provider.json
@@ -30,7 +30,9 @@
             "type": "string",
             "enum": [
               "Windows",
-              "Linux"
+              "Linux",
+              "WindowsFunctions",
+              "LinuxFunctions"
             ]
           },
           {
@@ -108,7 +110,9 @@
             "type": "string",
             "enum": [
               "Windows",
-              "Linux"
+              "Linux",
+              "WindowsFunctions",
+              "LinuxFunctions"
             ]
           },
           {