diff --git a/sys/netinet/sctp_sysctl.h b/sys/netinet/sctp_sysctl.h
index 5055110cd57e..38494add3d83 100644
--- a/sys/netinet/sctp_sysctl.h
+++ b/sys/netinet/sctp_sysctl.h
@@ -545,7 +545,7 @@ struct sctp_sysctl {
 #define SCTPCTL_RTTVAR_DCCCECN_MAX	1
 #define SCTPCTL_RTTVAR_DCCCECN_DEFAULT	1	/* 0 means disable feature */
 
-#define SCTPCTL_BLACKHOLE_DESC		"Enable SCTP blackholing. See blackhole(4) man page for more details."
+#define SCTPCTL_BLACKHOLE_DESC		"Enable SCTP blackholing. See blackhole(4) for more details."
 #define SCTPCTL_BLACKHOLE_MIN		0
 #define SCTPCTL_BLACKHOLE_MAX		2
 #define SCTPCTL_BLACKHOLE_DEFAULT	SCTPCTL_BLACKHOLE_MIN