diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c
index 92d886f..4573d81 100644
--- a/net/core/gen_estimator.c
+++ b/net/core/gen_estimator.c
@@ -191,6 +191,7 @@
 /**
  * gen_new_estimator - create a new rate estimator
  * @bstats: basic statistics
+ * @cpu_bstats: bstats per cpu
  * @rate_est: rate estimator statistics
  * @stats_lock: statistics lock
  * @opt: rate estimator configuration TLV
@@ -287,6 +288,7 @@
 /**
  * gen_replace_estimator - replace rate estimator configuration
  * @bstats: basic statistics
+ * @cpu_bstats: bstats per cpu
  * @rate_est: rate estimator statistics
  * @stats_lock: statistics lock
  * @opt: rate estimator configuration TLV