doc PG 17 relnotes: improve JSON casting item

Reported-by: jian he

Discussion: https://postgr.es/m/CACJufxE0HY19F8Oo-wb-+i4bKDamiaL_aUV8qB69_8mwoScZow@mail.gmail.com

Backpatch-through: master

Author: bmomjian

doc/src/sgml/release-17.sgml

@@ -1678,7 +1678,7 @@ Author: Andrew Dunstan <andrew@dunslane.net>
 
 <listitem>
 <para>
-Add jsonpath methods to convert JSON values to different data types (Jeevan Chalke)
+Add jsonpath methods to convert JSON values to other JSON data types (Jeevan Chalke)
 </para>
 
 <para>