contrib/mw-to-git/t/install-wiki.sh: use a lowercase "usage:" string

diff --git a/contrib/mw-to-git/t/install-wiki.sh b/contrib/mw-to-git/t/install-wiki.sh
index c6d6fa3aefafa8f782be20b7919f2acfc7667a6f..70a53f67fd06bd2ce6f2f544655b03b99c6b2ee9 100755 (executable)
--- a/contrib/mw-to-git/t/install-wiki.sh
+++ b/contrib/mw-to-git/t/install-wiki.sh
@@ -15,7 +15,7 @@ fi
 
 . "$WIKI_TEST_DIR"/test-gitmw-lib.sh
 usage () {
-       echo "Usage: "
+       echo "usage: "
        echo "  ./install-wiki.sh <install | delete | --help>"
        echo "          install | -i :  Install a wiki on your computer."
        echo "          delete | -d : Delete the wiki and all its pages and "