diff --git a/fio.1 b/fio.1
index aa027dc..d63d1f2 100644
--- a/fio.1
+++ b/fio.1
@@ -36,7 +36,7 @@
 Display version information and exit.
 .TP
 .BI \-\-terse\-version \fR=\fPversion
-Set terse version output format.
+Set terse version output format (Current version 3, or older version 2).
 .TP
 .B \-\-help
 Display usage information and exit.