diff --git a/pkg/suggestion/v1beta1/hyperopt/base_service.py b/pkg/suggestion/v1beta1/hyperopt/base_service.py
index 5e25ba559c2..48ad3d1d9b3 100644
--- a/pkg/suggestion/v1beta1/hyperopt/base_service.py
+++ b/pkg/suggestion/v1beta1/hyperopt/base_service.py
@@ -98,7 +98,7 @@ def create_hyperopt_domain(self):
                         )
                 elif param.distribution == api_pb2.NORMAL:
                     mu = (float(param.min) + float(param.max)) / 2
-                    // We consider the normal distribution based on the range of ±3 sigma.
+                    # We consider the normal distribution based on the range of ±3 sigma.
                     sigma = (float(param.max) - float(param.min)) / 6
 
                     if param.step: