diff --git a/htmlq.1 b/htmlq.1
index 64d05c8..e7aff6e 100644
--- a/htmlq.1
+++ b/htmlq.1
@@ -17,6 +17,9 @@ Print warning messages
 .TP
 .BR \-t ", " \-\-text
 Print only the innerText of matched elements
+.TP
+.BR \-a ", " \-\-select\-attribute
+Print the value of the attribute on matched elements. Supersedes -t.
 .SH ARGUMENTS
 .TP
 .I html_path_or_minus