diff --git a/sys/netinet/in_pcb.h b/sys/netinet/in_pcb.h
index c6a8448b879..33147499916 100644
--- a/sys/netinet/in_pcb.h
+++ b/sys/netinet/in_pcb.h
@@ -168,7 +168,7 @@ struct in_conninfo {
  * it may be transitioning to 0 (by the hpts).
  * That's ok since that will just mean an extra call to tcp_output
  * that most likely will find the call you executed
- * (when the mis-match occured) will have put the TCB back
+ * (when the mis-match occurred) will have put the TCB back
  * on the hpts and it will return. If your
  * call did not add the inp back to the hpts then you will either
  * over-send or the cwnd will block you from sending more.