diff --git a/Archive/README.md b/Archive/README.md
index b979206e..e4df3948 100644
--- a/Archive/README.md
+++ b/Archive/README.md
@@ -59,6 +59,8 @@ $ ./compress-archive.sh [FLAGS] PATH
 
 ### `update-exif.sh`
 
+Update EXIF of output previews from corresponding .psd / RAW files.
+
 ```shell
 $ ./update-exif.sh [FLAGS] PATH
 ```
@@ -66,6 +68,11 @@ $ ./update-exif.sh [FLAGS] PATH
 
 ### `tree.sh`
 
+Generte and check arcive file list.
+
+This provides a basic and fast way to check high level tree consistency
+against mostly humn-error.
+
 
 
 ## Archive directory structure