diff --git a/sleep.1 b/sleep.1
index dceb31c..a046e0b 100644
--- a/sleep.1
+++ b/sleep.1
@@ -17,4 +17,6 @@ Written by Kat.
 Copyright (C) 2020 The FENIX Project
 .PP
 This software is free software. Feel free to modify it and/or pass
-it around.
\ No newline at end of file
+it around.
+.PP
+This \fBsleep\fR implementation is a part of the fenutils package.
\ No newline at end of file