Merge branch 'master' of https://github.com/apache/infrastructure-otp
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# Apache Specific
The Apache Software Foundation (ASF) uses the
[Orthrus](https://github.com/gmcdonald/orthrus)
-PAM module on its machines/VMs. Orthrus implements RFC 2289 to offer One Time
+PAM module on its machines/VMs. Orthrus implements
+[RFC 2289](https://tools.ietf.org/html/rfc2289) to offer One Time
Password (OTP) challenges, in order to `sudo`. This package emits MD5-based
challenges (`otp-md5`), so this script only constructs MD5-based responses.
