diff --git a/usr.bin/top/top.local.1 b/usr.bin/top/top.local.1
index 015b969..0a1a1e7 100644
--- a/usr.bin/top/top.local.1
+++ b/usr.bin/top/top.local.1
@@ -50,3 +50,45 @@ bytes paged in from swap devices (last interval)
 .TP
 .B Out: 
 bytes paged out to swap devices (last interval)
+.SH ORDERING KEYWORDS
+.TP
+.B jid:
+Sort by
+.IR jail (8)
+ID.
+.TP
+.B threads:
+Sort by number of threads per process
+.TP
+.B pri:
+Sort by priority
+.TP
+.B size:
+Sort by total virtual memory size
+.TP
+.B res:
+Sort by resident memory
+.TP
+.B cpu:
+Sort by CPU
+.TP
+.B time:
+Sort by system and user CPU seconds
+.TP
+.B vcsw:
+Sort by number of voluntary context switches per second
+.TP
+.B ivcsw:
+Sort by number of involuntary context switches per second
+.TP
+.B read:
+Sort by number of reads per second
+.TP
+.B write:
+Sort by number of writes per seoncond
+.TP
+.B fault:
+Sort by number of page faults per second
+.TP
+.B total:
+Sort by total I/O operations per second