MDEV-13809: [service] should [Service] in systemd service files

support-files/mariadb.service.in

@@ -78,7 +78,7 @@ ExecStartPre=/bin/sh -c "[ ! -e @bindir@/galera_recovery ] && VAR= || \
 
 # Start main service
 # MYSQLD_OPTS here is for users to set in /etc/systemd/system/mariadb.service.d/MY_SPECIAL.conf
-# Use the [service] section and Environment="MYSQLD_OPTS=...".
+# Use the [Service] section and Environment="MYSQLD_OPTS=...".
 # This isn't a replacement for my.cnf.
 # _WSREP_NEW_CLUSTER is for the exclusive use of the script galera_new_cluster
 ExecStart=@sbindir@/mysqld $MYSQLD_OPTS $_WSREP_NEW_CLUSTER $_WSREP_START_POSITION
@@ -105,7 +105,8 @@ UMask=007
 ##
 ##
 ## by creating a file in /etc/systemd/system/mariadb.service.d/MY_SPECIAL.conf
-## and adding/setting the following will override this file's settings.
+## and adding/setting the following under [Service] will override this file's
+## settings.
 
 # Useful options not previously available in [mysqld_safe]
 

support-files/mariadb@.service.in

@@ -91,7 +91,7 @@ ExecStartPre=/bin/sh -c "[ ! -e @bindir@/galera_recovery ] && VAR= || \
 
 # Start main service
 # MYSQLD_OPTS here is for users to set in /etc/systemd/system/mariadb@.service.d/MY_SPECIAL.conf
-# Use the [service] section and Environment="MYSQLD_OPTS=...".
+# Use the [Service] section and Environment="MYSQLD_OPTS=...".
 # This isn't a replacement for my.cnf.
 # _WSREP_NEW_CLUSTER is for the exclusive use of the script galera_new_cluster
 
@@ -126,7 +126,8 @@ UMask=007
 ##
 ##
 ## by creating a file in /etc/systemd/system/mariadb.service.d/MY_SPECIAL.conf
-## and adding/setting the following will override this file's settings.
+## and adding/setting the following below [Service] will override this file's
+## settings.
 
 # Useful options not previously available in [mysqld_safe]