--- a/doc/netcat.1
+++ b/doc/netcat.1
@@ -256,6 +256,13 @@
 source address for the connecting socket.
 .Sh "Advanced Options"
 .IX Subsection "Advanced Options"
+.IP "\fB\-c" 4
+.IX Item "-c"
+.PD 0
+.IP "\fB\-\-close" 4
+.IX Item "--close"
+.PD
+closes connection on EOF from stdin.
 .IP "\fB\-i \s-1SECS\s0\fR" 4
 .IX Item "-i SECS"
 .PD 0