Update example

template/example.py

@@ -18,17 +18,19 @@ def objective(trial: optuna.Trial) -> float:
 
 # TODO: Change the variables here to test your package.
 package_name = "samplers/your_sampler"
-repo_owner = "Your GitHub Account Name"
-ref = "Your Git Branch Name"
 test_local = True
 
 if test_local:
+    # This is an example of how to load a sampler from your local optunahub-registry.
     sampler = optunahub.load_local_module(
-        package=package_name, registry_root="./package/"
+        package=package_name,
+        registry_root="./",  # Path to the root of the optunahub-registry.
     ).YourSampler()
 else:
+    # This is an example of how to load a sampler from your fork of the optunahub-registry.
+    # Please remove repo_owner and ref arguments before submitting a pull request.
     sampler = optunahub.load_module(
-        package=package_name, repo_owner=repo_owner, ref=ref
+        package=package_name, repo_owner="Your GitHub Account ID", ref="Your Git Branch Name"
     ).YourSampler()
 
 study = optuna.create_study(sampler=sampler)