diff --git a/usr.bin/bintrans/bintrans.1 b/usr.bin/bintrans/bintrans.1
index 02571067c8f..73baac115de 100644
--- a/usr.bin/bintrans/bintrans.1
+++ b/usr.bin/bintrans/bintrans.1
@@ -236,7 +236,7 @@ Decode.
 Output to
 .Ar output_file
 instead of standard output.
-.It fl r
+.It Fl r
 Encode/Decode in RFC2047 specific variant.
 .El
 .Sh EXAMPLES