diff --git a/usr.bin/shar/shar.1 b/usr.bin/shar/shar.1
index 9084a7e33521..9bf6d9ef1897 100644
--- a/usr.bin/shar/shar.1
+++ b/usr.bin/shar/shar.1
@@ -64,6 +64,9 @@ or
 .Nm Shar
 makes no provisions for special types of files or files containing
 magic characters.
+.Nm Shar
+cannot handle files without a newline ('\\n')
+as last character.
 .Pp
 It is easy to insert trojan horses into
 .Nm shar