Merge pull request DSpace#9859 from saschaszott/patch-50

minor fix in parameter description in subscriptions_content

dspace/config/emails/subscriptions_content

@@ -1,7 +1,7 @@
 ## E-mail sent to designated address about updates on subscribed items
 ##
-## Parameters: {0} Collections updates
-##             {1} Communities updates
+## Parameters: {0} Communities updates
+##             {1} Collections updates
 #set($subject = "${config.get('dspace.name')} Subscriptions")
 This email is sent from ${config.get('dspace.name')} based on the chosen subscription preferences.