diff --git a/docs/api.md b/docs/api.md
index 229f4c51..ffcb04eb 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -413,9 +413,9 @@ Navigate to the next page in history.
   - `timeout` <[number]> Maximum navigation time in milliseconds, defaults to 30 seconds.
   - `waitUntil` <[string]> When to consider navigation succeeded, defaults to `load`. Could be either:
     - `load` - consider navigation to be finished when the `load` event is fired.
-    - `networkidle` - consider navigation to be finished when the network activity stays "idle" for at least `networkIdleTimeout`ms.
+    - `networkidle` - consider navigation to be finished when the network activity stays "idle" for at least `networkIdleTimeout` ms.
   - `networkIdleInflight` <[number]> Maximum amount of inflight requests which are considered "idle". Takes effect only with `waitUntil: 'networkidle'` parameter.
-  - `networkIdleTimeout` <[number]> A timeout to wait before completing navigation. Takes effect only with `waitUntil: 'networkidle'` parameter.
+  - `networkIdleTimeout` <[number]> A timeout to wait before completing navigation. Takes effect only with `waitUntil: 'networkidle'` parameter. Defaults to 1000 ms.
 - returns: <[Promise]<[Response]>> Promise which resolves to the main resource response. In case of multiple redirects, the navigation will resolve with the response of the last redirect.
 
 The `page.goto` will throw an error if: