diff --git a/exif2fdate.sh b/exif2fdate.sh
index 5406713..a0e577d 100755
--- a/exif2fdate.sh
+++ b/exif2fdate.sh
@@ -1,2 +1,3 @@
 #!/bin/sh
+# Finds all JPG files and sets their file date to date from EXIF.
 find -type f -iname '*.jpg' -print0 | xargs -0 exiv2 mv -T
diff --git a/exifdate.sh b/exifdate.sh
index 02c9280..1a822d6 100755
--- a/exifdate.sh
+++ b/exifdate.sh
@@ -1,5 +1,6 @@
 #!/bin/sh
 if [ -z "$1" -o -z "$2" ]; then
+    echo "Sets EXIF date to DATE."
     echo "Syntax: $0 DATE FILE1 [FILE2 [..FILEn]]"
     exit 1
 fi