-When \fBdl_type\fR is wildcarded or set to a value other than 0x0800,
-0x0806, or 0x86dd, the value of \fBnw_tos\fR is ignored (see \fBFlow
-Syntax\fR above).
+When \fBdl_type\fR is wildcarded or set to a value other than 0x0800 or
+0x86dd, the value of \fBnw_tos\fR is ignored (see \fBFlow Syntax\fR
+above).
+.
+.IP \fBnw_ecn=\fIecn\fR
+Matches \fIecn\fR bits in IP ToS or IPv6 traffic class fields, which is
+specified as a decimal number between 0 and 3, inclusive.
+.IP
+When \fBdl_type\fR is wildcarded or set to a value other than 0x0800 or
+0x86dd, the value of \fBnw_ecn\fR is ignored (see \fBFlow Syntax\fR
+above).
+.
+.IP \fBnw_ttl=\fIttl\fR
+Matches IP TTL or IPv6 hop limit value \fIttl\fR, which is
+specified as a decimal number between 0 and 255, inclusive.
+.IP
+When \fBdl_type\fR is wildcarded or set to a value other than 0x0800 or
+0x86dd, the value of \fBnw_ttl\fR is ignored (see \fBFlow Syntax\fR
+above).
+.IP