diff --git a/doc/bash.1 b/doc/bash.1
--- a/doc/bash.1
+++ b/doc/bash.1
@@ -9889,6 +9889,9 @@ If set, the
 to find the directory containing the file supplied as an argument.
 This option is enabled by default.
 .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.