Usage information

diff --git a/bin/terraservice b/bin/terraservice
index 3ef8fd80d9c2c907e292af0058c800dd853d16b8..6c2cebed8521f7cdebed6bc912755091f4f7a458 100755 (executable)
--- a/bin/terraservice
+++ b/bin/terraservice
@@ -3,7 +3,7 @@
 # -*- sh -*- vim: ft=sh sw=4 sts=4
 
 if [ "$#" != 3 -a "$#" != 4 ]; then
-    echo "Incorrect usage" >&2
+    echo "Usage: `basename $0` <LAT> <LON> <SCALE> [<IMAGE NAME>]" >&2
     exit 1
 fi