diff --git a/pages/common/convert.md b/pages/common/convert.md
index 8c4e9f461..e4b2c79ed 100644
--- a/pages/common/convert.md
+++ b/pages/common/convert.md
@@ -10,6 +10,10 @@
 
 `convert {{image.png}} -resize 50% {{image2.png}}`
 
+- Scale an image keeping the original aspect ratio to a maximum dimension of 640x480.
+
+`convert {{image.png}} -resize 640x480 {{image2.png}}`
+
 - Horizontally append images
 
 `convert {{image1.png}} {{image2.png}} {{image3.png}} +append {{image123.png}}`