diff --git a/docs/api-resize.md b/docs/api-resize.md
index 77a62479..8409b018 100644
--- a/docs/api-resize.md
+++ b/docs/api-resize.md
@@ -163,6 +163,7 @@ Returns **Sharp**
 Do not enlarge the output image if the input image width _or_ height are already less than the required dimensions.
 This is equivalent to GraphicsMagick's `>` geometry option:
 "_change the dimensions of the image only if its width or height exceeds the geometry specification_".
+Use with `max()` to preserve the image's aspect ratio.
 
 The default behaviour _before_ function call is `false`, meaning the image will be enlarged.