diff --git a/ChangeLog.txt b/ChangeLog.txt
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
A negative image can be generated using "-n" flag.
4. New option to resize image
- zoom or shrink output image using "-z <zoomfact>".
+ zoom or shrink output image by "-z <zoomfact>".
5. New option to choose jpeg quality factor
- You can choose the jpeg quality factor using "-q <quality>"
+ You can choose the jpeg quality factor by "-q <quality>"
Quality factor was fixed at 100 in previous release.
+ 6. New option to specify output directory for saving jpeg images
+ Output location can be specified by "-d </path/to/folder>"
+ If the target directory does not exist, the whole tree will be
+ created.