diff --git a/testing/run_tests.sh b/testing/run_tests.sh
index da8a1ece0fcad..4aed1c7092558 100755
--- a/testing/run_tests.sh
+++ b/testing/run_tests.sh
@@ -6,3 +6,6 @@ BUILD_VARIANT="${1:-host_debug_unopt}"
 CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 
 python3 "${CURRENT_DIR}/run_tests.py" --variant="${BUILD_VARIANT}" --type=engine,dart,benchmarks
+
+# This does not run the web_ui tests. To run those, use:
+#   lib/web_ui/dev/felt test