Document that -j/--jpg is an option

diff --git a/screenshot.sh b/screenshot.sh
index d9205477e96a7612ad3b190b0f7443cbe15a26ca..2649ddf99e4359540b98b5045b8c6710d37eef85 100755 (executable)
--- a/screenshot.sh
+++ b/screenshot.sh
@@ -47,7 +47,7 @@ function take_screenshot() {
 
 function show_error() {
   errcho "Please use one of: -w, --window, -a, --area, -s, --selection,"
-  errcho "                   -f, --full or no argument at all."
+  errcho "                   -f, --full, -j, --jpg or no argument at all."
   exit 1
 }