diff --git a/package.json b/package.json
index 68467a89..f52f7b79 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "xterm",
   "description": "Full xterm terminal, in your browser",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "main": "lib/xterm.js",
   "style": "css/xterm.css",
   "types": "typings/xterm.d.ts",
diff --git a/typings/xterm.d.ts b/typings/xterm.d.ts
index cae54dc1..d0a33cba 100644
--- a/typings/xterm.d.ts
+++ b/typings/xterm.d.ts
@@ -804,7 +804,7 @@ declare module 'xterm' {
    */
   export interface ITerminalAddon extends IDisposable {
     /**
-     * (EXPERIMENTAL) This is called when the addon is activated.
+     * This is called when the addon is activated.
      */
     activate(terminal: Terminal): void;
   }