diff --git a/docs/api/browser-window.md b/docs/api/browser-window.md
index 93785878d1..a00b814a59 100644
--- a/docs/api/browser-window.md
+++ b/docs/api/browser-window.md
@@ -682,7 +682,7 @@ Returns the title of the native window.
 **Note:** The title of web page can be different from the title of the native
 window.
 
-### `win.setSheetOffset(offset)` _OS X_
+### `win.setSheetOffset(offsetY)` _OS X_
 
 Changes the attachment point for sheets on Mac OS X. By default, sheets are
 attached just below the window frame, but you may want to display them beneath
@@ -693,6 +693,16 @@ let toolbarRect = document.getElementById('toolbar').getBoundingClientRect();
 win.setSheetOffset(toolbarRect.height);
 ```
 
+### `win.setSheetOffsets(offsetX, offsetY)` _OS X_
+
+Like `win.setSheetOffset` but allows for an offset along the x-axis to be set
+in addition to the y-axis.
+
+```javascript
+let toolbarRect = document.getElementById('toolbar').getBoundingClientRect();
+win.setSheetOffset(toolbarRect.left, toolbarRect.height);
+```
+
 ### `win.flashFrame(flag)`
 
 * `flag` Boolean