Fix the method name added in version 1.1.2

Author: Joel Warrington

CHANGELOG-enterprise.md

@@ -10,7 +10,7 @@
 
 # 1.1.2 (1 March 2022)
 
-- Changesets: Add introspection methods `Schema.changeset` and `Changeset.changes`
+- Changesets: Add introspection methods `Schema.changesets` and `Changeset.changes`
 
 # 1.1.1 (14 February 2021)