diff --git a/kernel/examples/run-kernel-examples.py b/kernel/examples/run-kernel-examples.py
index e32455c1193..9c80b92a100 100755
--- a/kernel/examples/run-kernel-examples.py
+++ b/kernel/examples/run-kernel-examples.py
@@ -178,6 +178,7 @@ def run_cmd(cmd, throw_on_error=True, env=None, stream_output=False, **kwargs):
     if args.use_local and (args.version != default_version):
         raise Exception("Cannot specify --use-local with a --version different than in version.sbt")
 
+    # Note: comment this out to test against a local JAR (e.g. in ~/.m2). Do not use --use-local.
     clear_artifact_cache()
 
     if args.use_local: