comment about grep

diff --git a/scripts/run-tests.sh b/scripts/run-tests.sh
index 4bc0718..5dd166f 100755 (executable)
--- a/scripts/run-tests.sh
+++ b/scripts/run-tests.sh
@@ -1,6 +1,8 @@
 #!/bin/bash
 # Starts the http-server and runs mocha-phantomjs-based tests
 # Note that you must run `npm run build` or `npm run watch` before running this.
+# Additional arguments are passed to mocha-phantomjs, e.g.
+# run-tests.sh --grep interaction-model
 set -o errexit
 
 # Run http-server and save its PID