comment about user

mods/sample-systemd.service

@@ -2,6 +2,7 @@
 Description=Friendica Worker
 
 [Service]
+#User should be the same as the user the webserver runs under, typically http or www
 User=http
 #Adapt the path in the following line to your system, use 'which php' to find php path,
 #provide the absolute path for worker.php