Mention that collisions are theorizied for SHA-1 in the caveat. Regards,
Index: md5.1 =================================================================== RCS file: /cvs/src/bin/md5/md5.1,v retrieving revision 1.44 diff -u -p -r1.44 md5.1 --- md5.1 4 Dec 2014 20:10:16 -0000 1.44 +++ md5.1 20 Sep 2015 02:43:55 -0000 @@ -144,7 +144,7 @@ and \*(Gt0 if an error occurs. .%O FIPS PUB 180-2 .Re .Sh CAVEATS -Since collisions have been found for MD5, +Since collisions have been found for MD5, and are theorized for SHA-1, the use of .Nm sha256 is recommended instead.