diff --git a/docs/src/api/class-electron.md b/docs/src/api/class-electron.md
index d95fb9ea51..a9ddb29f8d 100644
--- a/docs/src/api/class-electron.md
+++ b/docs/src/api/class-electron.md
@@ -72,7 +72,7 @@ Current working directory to launch application from.
 
 Specifies environment variables that will be visible to Electron. Defaults to `process.env`.
 
-#### option: Electron.launch.timeout
+### option: Electron.launch.timeout
 - `timeout` <[float]>
 
 Maximum time in milliseconds to wait for the application to start. Defaults to `30000` (30 seconds). Pass `0` to disable timeout.
diff --git a/types/types.d.ts b/types/types.d.ts
index 2161c13e64..8fdce55a3a 100644
--- a/types/types.d.ts
+++ b/types/types.d.ts
@@ -11112,6 +11112,12 @@ export interface Electron {
       };
     };
 
+    /**
+     * Maximum time in milliseconds to wait for the application to start. Defaults to `30000` (30 seconds). Pass `0` to disable
+     * timeout.
+     */
+    timeout?: number;
+
     /**
      * Changes the timezone of the context. See
      * [ICU's metaZones.txt](https://cs.chromium.org/chromium/src/third_party/icu/source/data/misc/metaZones.txt?rcl=faee8bc70570192d82d2978a71e2a615788597d1)