diff --git a/webextension-experiment/api.js b/webextension-experiment/api.js
index 24f2bd2..15404c9 100644
--- a/webextension-experiment/api.js
+++ b/webextension-experiment/api.js
@@ -19,7 +19,7 @@ function convert(identity) {
 class API extends ExtensionAPI {
   getAPI(context) {
     let self = {
-      contextualIdentities: {
+      contextualidentities: {
         get(cookieStoreId) {
           let containerId = getContainerForCookieStoreId(cookieStoreId);
           if (!containerId) {
diff --git a/webextension-experiment/schema.json b/webextension-experiment/schema.json
index df7221e..5d3cc7a 100644
--- a/webextension-experiment/schema.json
+++ b/webextension-experiment/schema.json
@@ -1,22 +1,8 @@
 [
   {
-    "namespace": "manifest",
-    "types": [
-      {
-        "$extend": "Permission",
-        "choices": [{
-          "type": "string",
-          "enum": [
-            "contextualIdentities"
-          ]
-        }]
-      }
-    ]
-  },
-  {
-    "namespace": "contextualIdentities",
+    "namespace": "contextualidentities",
     "description": "Use the <code>browser.contextualIdentities</code> API to query and modify contextual identity, also called as containers.",
-    "permissions": ["contextualIdentities"],
+    "permissions": ["contextualidentities"],
     "types": [
       {
         "id": "ContextualIdentity",
diff --git a/webextension/manifest.json b/webextension/manifest.json
index 966e59f..3205c33 100644
--- a/webextension/manifest.json
+++ b/webextension/manifest.json
@@ -20,8 +20,8 @@
   "homepage_url": "https://testpilot.firefox.com/",
 
   "permissions": [
-    "experiments.contextualIdentites",
-    "contextualIdentites"
+    "experiments.contextualidentities",
+    "contextualidentities"
   ],
 
   "browser_action": {