Fix typo in notes

Author: fredericDelaporte

releasenotes.txt

@@ -15,9 +15,9 @@ Release notes - NHibernate - Version 5.3.0
           them into account, but previously they were failing instead of ignoring enabled filters.)
         * ISession.Persist will no more trigger immediate generation of identifier.
         * Bags will no more be loaded with "null" entities, they will be filtered out.
-        * Setting the value of an unitialized lazy property will no more trigger loading of all the lazy
+        * Setting the value of an uninitialized lazy property will no more trigger loading of all the lazy
           properties of the entity.
-        * If an unitialized lazy property has got its value set, without any other subsequent lazy property
+        * If an uninitialized lazy property has got its value set, without any other subsequent lazy property
           load on the entity, a dynamic update will occur on flush, even if the entity has dynamic updates
           disabled. This update will occur even if the set value is identical to the currently persisted
           property value.