Add helpful comment to service file.

.SRCINFO

@@ -22,7 +22,7 @@ pkgbase = plex-media-server-plexpass
 	source = plex.tmpfiles
 	source = terms.txt
 	sha256sums = b7f2fb1cbedde54a79a1794ec9f35f8bdeb033a4c5453ec77944ca7fe77cd9b7
-	sha256sums = ef09d53d410f92ea5ec3e9549ad9d1ac6136a83a5b60a4ea7c67b67435d752d9
+	sha256sums = 525b4b3b7db69c4abf696116c9f41d7a3cb3b572186200d0720bb96ec155fbd4
 	sha256sums = a94c798e3a1b5614020e3dd6ec80d378c0401fa08f411769527ad87a6898e80c
 	sha256sums = c597bee0bcbb59ed791651555a904e5f7e9d2e82f6c6986b6352e5fc38e5b557
 	sha256sums = b7ff6525a3c7a8be885edc85bb523095f8e25ddb38873127e2a4e97b28f2c7ad

PKGBUILD

@@ -38,7 +38,7 @@ source_x86_64=("https://downloads.plex.tv/plex-media-server-new/${pkgver}-${_pkg
 source_i686=("https://downloads.plex.tv/plex-media-server-new/${pkgver}-${_pkgsum}/redhat/plexmediaserver-${pkgver}-${_pkgsum}.i686.rpm")
 
 sha256sums=('b7f2fb1cbedde54a79a1794ec9f35f8bdeb033a4c5453ec77944ca7fe77cd9b7'
-            'ef09d53d410f92ea5ec3e9549ad9d1ac6136a83a5b60a4ea7c67b67435d752d9'
+            '525b4b3b7db69c4abf696116c9f41d7a3cb3b572186200d0720bb96ec155fbd4'
             'a94c798e3a1b5614020e3dd6ec80d378c0401fa08f411769527ad87a6898e80c'
             'c597bee0bcbb59ed791651555a904e5f7e9d2e82f6c6986b6352e5fc38e5b557'
             'b7ff6525a3c7a8be885edc85bb523095f8e25ddb38873127e2a4e97b28f2c7ad'

plexmediaserver.service

@@ -1,3 +1,11 @@
+# Be sure to use `systemctl edit plexmediaserver` to modify this service with an override.conf because
+# direct changes will be overwritten by package updates.
+#
+# A user per service w/ shared group setup would have an override like:
+# [Service]
+# Group=sharedgroupname
+# UMask=002
+
 [Unit]
 Description=Plex Media Server
 After=network.target network-online.target