--- a/docs/HISTORY.txt	Fri May 24 16:54:20 2019 +0200
+++ b/docs/HISTORY.txt	Tue May 28 14:35:19 2019 +0200
@@ -1,6 +1,10 @@
 History
 =======
 
+0.1.51.1
+--------
+ - removed "required" property on shared content data-types batch updater
+
 0.1.51
 ------
  - added batch tool to update typed-contents type