diff --git a/cheat-sheets/ImageMagick-command-line-examples.adoc b/cheat-sheets/ImageMagick-command-line-examples.adoc
index f3840e2..7f50e96 100644
--- a/cheat-sheets/ImageMagick-command-line-examples.adoc
+++ b/cheat-sheets/ImageMagick-command-line-examples.adoc
@@ -1 +1,14 @@
 = ImageMagick Command Line Examples
+
+
+== Rotate images 90 degrees
+
+Use `convert` tools in a bash script to rotate all .jpg images in the current folder, naming the rotated images as _current-name_-rotated.jpg 
+
+[source,bash]
+----
+for ii in *.jpg
+do
+convert ${ii}  -rotate  90 ${ii}-rotated.jpg
+done
+----