diff --git a/doc/spacebar.1 b/doc/spacebar.1
index e3aba5b..c029b12 100644
--- a/doc/spacebar.1
+++ b/doc/spacebar.1
@@ -115,6 +115,11 @@ Specify a general symbol to use for any given space that does not have a match i
 .RS 4
 Specify a symbol to represent the current time.
 .RE
+.sp
+\fBclock_format\fP [\fI<sym>\fP]
+.RS 4
+Specify a format for the current time, according to the strftime function.
+.RE
 .SH "EXIT CODES"
 .sp
 If \fBspacebar\fP can\(cqt handle a message, it will return a non\-zero exit code.