docs(api): fix typo

Fix typo in fullPage description.

docs/api.md

@@ -1711,7 +1711,7 @@ Page routes take precedence over browser context routes (set up with [browserCon
   - `path` <[string]> The file path to save the image to. The screenshot type will be inferred from file extension. If `path` is a relative path, then it is resolved relative to [current working directory](https://nodejs.org/api/process.html#process_process_cwd). If no path is provided, the image won't be saved to the disk.
   - `type` <"png"|"jpeg"> Specify screenshot type, defaults to `png`.
   - `quality` <[number]> The quality of the image, between 0-100. Not applicable to `png` images.
-  - `fullPage` <[boolean]> When true, takes a screenshot of the full scrollable page, instead of the currently visibvle viewport. Defaults to `false`.
+  - `fullPage` <[boolean]> When true, takes a screenshot of the full scrollable page, instead of the currently visible viewport. Defaults to `false`.
   - `clip` <[Object]> An object which specifies clipping of the resulting image. Should have the following fields:
     - `x` <[number]> x-coordinate of top-left corner of clip area
     - `y` <[number]> y-coordinate of top-left corner of clip area