Update readme

readme.txt

 === CiviCRM Network Groups ===
-Contributors: needle
-Donate link: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=PZSKM8T5ZP3SC
+Contributors: needle, kcristiano
+Donate link: https://www.paypal.me/interactivist
 Tags: civicrm, contact layout editor, block
 Requires at least: 5.0
-Tested up to: 5.0
+Tested up to: 5.1
 Stable tag: 0.2.1
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
@@ -13,7 +13,7 @@ Enables management of synced "network groups" on the main site of a Multisite in
 
 == Description ==
 
-Enables membership of "network groups" to be managed by offering options on the WordPress "Edit User" screen and in a Contact Layout block in the CiviCRM.
+Enables membership of "network groups" to be managed by offering options on the WordPress "Edit User" screen and in a Contact Layout Editor block in CiviCRM.
 
 The groups are synced between CiviCRM and the "Groups" plugin using the "CiviCRM Groups Sync" plugin. These "network-level" groups can be used, for example, to display different Contact Layouts to different users depending on their group membership.
 
@@ -32,6 +32,10 @@ The groups are synced between CiviCRM and the "Groups" plugin using the "CiviCRM
 
 == Changelog ==
 
+= 0.2.1 =
+
+Add users to main site when adding to Groups
+
 = 0.2 =
 
 Introduces admin UI