Merge branch 'rdemaria-master-patch-93740' into 'master'

Update docs/guides/openafs.md

See merge request !16

docs/guides/openafs.md

@@ -14,7 +14,7 @@ Tested on Debian Stretch
 
 *(R. De Maria)*
 
-Presently (Apr 2021) these packages installed above are obsolete and are incompatible with AFS at CERN (see [Mattermost discussion](https://mattermost.web.cern.ch/abpcomputing/pl/z871mq1agtdgixynbg3ahtj7na). The problem can be solved by downloading a more recent version from the OpenAFS team.
+In case of issues (see [Mattermost discussion](https://mattermost.web.cern.ch/abpcomputing/pl/z871mq1agtdgixynbg3ahtj7na), newer package can be sourced the following instructions.
 
 In **Ubuntu 18.04** this can be done as follows:
 ```bash
@@ -32,6 +32,7 @@ sudo apt-get update
 sudo apt-get upgrade
 ```
 
+Then install packages as written before
 
 ###  Configure AFS and Kerberos