diff --git a/sys/kern/subr_unit.c b/sys/kern/subr_unit.c
index 553a640b72b..c613383fe0f 100644
--- a/sys/kern/subr_unit.c
+++ b/sys/kern/subr_unit.c
@@ -318,7 +318,7 @@ clean_unrhdr(struct unrhdr *uh)
 /*
  * Allocate a new unrheader set.
  *
- * Highest and lowest valid values given as paramters.
+ * Highest and lowest valid values given as parameters.
  */
 
 struct unrhdr *