diff --git a/requests_html.py b/requests_html.py
index 85d5bb6..f1ef240 100644
--- a/requests_html.py
+++ b/requests_html.py
@@ -238,9 +238,19 @@ class HTML(BaseParser):
number of times, after sleeping the specified amount of time.
If ``script`` is specified, it will execute the provided JavaScript at
- runtime.
+ runtime. Example:
- Returns the return value of ``script``, if any is provided.
+ script = '''
+ () => {
+ return {
+ width: document.documentElement.clientWidth,
+ height: document.documentElement.clientHeight,
+ deviceScaleFactor: window.devicePixelRatio,
+ }
+ }
+ '''
+
+ Returns the return value of'the executed ``script``, if any is provided.
Warning: the first time you run this method, it will download
Chromium into your home directory (``~/.pyppeteer``).