diff --git a/doc/bash.1 b/doc/bash.1
--- a/doc/bash.1
+++ b/doc/bash.1
@@ -10726,6 +10726,9 @@ If set, the shell automatically closes file descriptors assigned using the
 .el above)
 instead of leaving them open when the command completes.
 .TP 8
+.B syslog_history
+If set, command history is logged to syslog.
+.TP 8
 .B xpg_echo
 If set, the \fBecho\fP builtin expands backslash-escape sequences
 by default.