diff --git a/jobs/env.dist b/jobs/env.dist
index e558addef82820428599d5a658c2459cbfd56fe2..ea387b6f6bea3c397ad0e80b1eb0863211d11f00 100644
--- a/jobs/env.dist
+++ b/jobs/env.dist
@@ -6,7 +6,9 @@
 # extend path
 # PATH=/c/portable/restic/:$PATH
 
-# set a hostname as fqdn
+# if you get "ERROR: unable to detect fqdn.":
+# the command "hostname -f" must return a fqdn (host incl. domain) 
+# if all tries fail set a hostname as fqdn here
 # FQDN=mycomputer.example.com
 
 # ----------------------------------------------------------------------