diff --git a/sys/kern/uipc_domain.c b/sys/kern/uipc_domain.c
index ab00bf2bc71f..43bdd44a09bf 100644
--- a/sys/kern/uipc_domain.c
+++ b/sys/kern/uipc_domain.c
@@ -223,7 +223,7 @@ pr_init(struct domain *dom, struct protosw *pr)
 
 /*
  * Add a new protocol domain to the list of supported domains
- * Note: you cant unload it again because a socket may be using it.
+ * Note: you can't unload it again because a socket may be using it.
  * XXX can't fail at this time.
  */
 void