diff --git a/typings/xterm.d.ts b/typings/xterm.d.ts
index d66e3b03..0e2b0357 100644
--- a/typings/xterm.d.ts
+++ b/typings/xterm.d.ts
@@ -26,8 +26,7 @@ declare module 'xterm' {
   export interface ITerminalOptions {
     /**
      * Whether to allow the use of proposed API. When false, any usage of APIs
-     * marked as experimental/proposed will throw an error. This defaults to
-     * true currently, but will change to false in v5.0.
+     * marked as experimental/proposed will throw an error. The default is false.
      */
     allowProposedApi?: boolean;