-.Bd -literal
-U RTF_UP Route useable
-G RTF_GATEWAY Destination requires forwarding by intermediary
-H RTF_HOST Host entry (net otherwise)
-R RTF_REJECT Host or net unreachable
-D RTF_DYNAMIC Created dynamically (by redirect)
-M RTF_MODIFIED Modified dynamically (by redirect)
-C RTF_CLONING Generate new routes on use
-X RTF_XRESOLVE External daemon translates proto to link address
-L RTF_LLINFO Valid protocol to link address translation.
-S RTF_STATIC Manually added
-B RTF_BLACKHOLE Just discard pkts (during updates)
-1 RTF_PROTO2 Protocol specific routing flag #1
-2 RTF_PROTO1 Protocol specific routing flag #2
-.Ed
+.Bl -column XXXX RTF_BLACKHOLE
+1 RTF_PROTO2 Protocol specific routing flag #1
+2 RTF_PROTO1 Protocol specific routing flag #2
+B RTF_BLACKHOLE Just discard pkts (during updates)
+C RTF_CLONING Generate new routes on use
+D RTF_DYNAMIC Created dynamically (by redirect)
+G RTF_GATEWAY Destination requires forwarding by intermediary
+H RTF_HOST Host entry (net otherwise)
+L RTF_LLINFO Valid protocol to link address translation.
+M RTF_MODIFIED Modified dynamically (by redirect)
+R RTF_REJECT Host or net unreachable
+S RTF_STATIC Manually added
+U RTF_UP Route useable
+X RTF_XRESOLVE External daemon translates proto to link address
+.El