diff --git a/docs/api/web-frame.md b/docs/api/web-frame.md
index b59d98c54c..06bf313547 100644
--- a/docs/api/web-frame.md
+++ b/docs/api/web-frame.md
@@ -110,7 +110,7 @@ webFrame.setSpellCheckProvider('en-US', {
 })
 ```
 
-#### `webFrame.insertCSS(css[, options])`
+### `webFrame.insertCSS(css[, options])`
 
 * `css` string
 * `options` Object (optional)