update OpenCA weblink

README.md

@@ -432,7 +432,7 @@ See https://github.com/n1trux/awesome-sysadmin#dns
   * [FreeIPA](https://www.freeipa.org/) - an integrated Identity and Authentication solution for Linux/UNIX networked environments. A FreeIPA server provides centralized authentication, authorization and account information by storing data about user, groups, hosts. ([Source Code](https://git.fedorahosted.org/cgit/freeipa.git)) `Multiple` `C`
   * [IndieAuth](https://indieauth.com) - Sign in with your domain name (using the [rel-me-auth](http://microformats.org/wiki/relmeauth) protocol). ([Source Code](https://github.com/aaronpk/IndieAuth.com)) `Apache` `Ruby`
   * [Libravatar](https://www.libravatar.org/) - Libravatar is a service which delivers your avatar (profile picture) to other websites. ([Demo](https://www.libravatar.org/account/new/), [Source Code](https://github.com/libravatar/libravatar)) `AGPLv3` `Python`
-  * [OpenCA OCSPD](https://pki.openca.org/projects/ocspd/) - An [OCSP](https://en.wikipedia.org/wiki/Online_Certificate_Status_Protocol) Responder. ([Source Code](https://github.com/openca/openca-ocspd)) `Apachev1` `C`
+  * [OpenCA OCSPD](https://www.openca.org/projects/ocspd/) - An [OCSP](https://en.wikipedia.org/wiki/Online_Certificate_Status_Protocol) Responder. ([Source Code](https://github.com/openca/openca-ocspd)) `Apachev1` `C`
   * [OSIAM](https://www.osiam.org) - Open Source Identity and Access Management implementing OAuth 2.0 and SCIMv2. ([Source Code](https://github.com/osiam/osiam)) `MIT` `Java`