diff --git a/man7/ipv6.7 b/man7/ipv6.7
index 98b2fb02f..1e3b4c61c 100644
--- a/man7/ipv6.7
+++ b/man7/ipv6.7
@@ -195,7 +195,7 @@ sockets.
 Argument is a pointer to a boolean value in an integer.
 .TP
 .nh
-.B IPV6_RTHDR, IPV6_AUTHHDR, IPV6_DSTOPS, IPV6_HOPOPTS, IPV6_FLOWINFO, IPV6_HOPLIMIT
+.B IPV6_RTHDR, IPV6_AUTHHDR, IPV6_DSTOPTS, IPV6_HOPOPTS, IPV6_FLOWINFO, IPV6_HOPLIMIT
 .hy
 Set delivery of control messages for incoming datagrams containing
 extension headers from the received packet.