diff --git a/bin/test.sh b/bin/test.sh
index 5b2da558ae516c3a0aa2f0b98fa967eb0dd75e9e..090a2fbfd5478ae26df3713ce7340c5fb0757e6f 100755
--- a/bin/test.sh
+++ b/bin/test.sh
@@ -73,6 +73,7 @@ function Usage
     echo "  -w|--wp-cache       prepare (pull) WP-cache"
     echo "  -l|--logs           print output of tests (single file, no diff)"
     echo "  -u|--update         run tests and update oracles (and WP-cache)"
+    echo "  -k|--commit         commit new test oracles"
     echo "  -s|--save           save dune logs into $DUNE_LOG"
     echo "  -v|--verbose        print executed commands"
     echo "  -j|--jobs <jobs>    run no more than <jobs> commands simultaneously."