diff --git a/src/vs/vscode.d.ts b/src/vs/vscode.d.ts
index 627823c72b14..ef06349c1de6 100644
--- a/src/vs/vscode.d.ts
+++ b/src/vs/vscode.d.ts
@@ -11569,7 +11569,13 @@ declare module 'vscode' {
 	 */
 	export interface AuthenticationGetSessionOptions {
 		/**
-		 * Whether login should be performed if there is no matching session. Defaults to false.
+		 * Whether login should be performed if there is no matching session.
+		 *
+		 * If true, a modal dialog will be shown asking the user to sign in. If false, a numbered badge will be shown
+		 * on the accounts activity bar icon. An entry for the extension will be added under the menu to sign in. This
+		 * allows quietly prompting the user to sign in.
+		 *
+		 * Defaults to false.
 		 */
 		createIfNone?: boolean;