diff --git a/src/vs/workbench/api/browser/viewsContainersExtensionPoint.ts b/src/vs/workbench/api/browser/viewsContainersExtensionPoint.ts
index 5a2e2b78965..36a9e67cbb1 100644
--- a/src/vs/workbench/api/browser/viewsContainersExtensionPoint.ts
+++ b/src/vs/workbench/api/browser/viewsContainersExtensionPoint.ts
@@ -60,7 +60,7 @@ export const viewsContainerContribution: IJSONSchema = {
 	type: 'object',
 	properties: {
 		'activitybar': {
-			description: localize('views.container.activitybar', "Activity Bar"),
+			description: localize('views.container.activitybar', "Contribute views containers to Activity Bar"),
 			type: 'array',
 			items: viewsContainerSchema
 		}
diff --git a/src/vs/workbench/api/browser/viewsExtensionPoint.ts b/src/vs/workbench/api/browser/viewsExtensionPoint.ts
index 24514349310..0fda4bcaa1a 100644
--- a/src/vs/workbench/api/browser/viewsExtensionPoint.ts
+++ b/src/vs/workbench/api/browser/viewsExtensionPoint.ts
@@ -69,15 +69,23 @@ namespace schema {
 		type: 'object',
 		properties: {
 			'explorer': {
-				description: localize('views.explorer', "Explorer View"),
+				description: localize('views.explorer', "Contributes views to Explorer container in the Activity bar"),
 				type: 'array',
-				items: viewDescriptor
+				items: viewDescriptor,
+				default: []
 			},
 			'debug': {
-				description: localize('views.debug', "Debug View"),
+				description: localize('views.debug', "Contributes views to Debug container in the Activity bar"),
 				type: 'array',
-				items: viewDescriptor
+				items: viewDescriptor,
+				default: []
 			}
+		},
+		additionalProperties: {
+			description: localize('views.contributed', "Contributes views to contributed views container"),
+			type: 'array',
+			items: viewDescriptor,
+			default: []
 		}
 	};
 }