diff --git a/ircd/client.c b/ircd/client.c
index 7b68f949..9c8913d8 100644
--- a/ircd/client.c
+++ b/ircd/client.c
@@ -570,6 +570,8 @@ check_klines(void)
 
 
 /* check_one_kline()
+ *
+ * This process needs to be kept in sync with find_kline() aka find_conf_by_address().
  *
  * inputs       - pointer to kline to check
  * outputs      -
diff --git a/ircd/hostmask.c b/ircd/hostmask.c
index c6e124aa..aa68603a 100644
--- a/ircd/hostmask.c
+++ b/ircd/hostmask.c
@@ -198,6 +198,9 @@ get_mask_hash(const char *text)
 
 /* struct ConfItem* find_conf_by_address(const char*, struct rb_sockaddr_storage*,
  *         int type, int fam, const char *username)
+ *
+ * This process needs to be kept in sync with check_one_kline().
+ *
  * Input: The hostname, the address, the type of mask to find, the address
  *        family, the username.
  * Output: The matching value with the highest precedence.