cleaner language

nxdl.xsd

@@ -968,11 +968,11 @@ https://stackoverflow.com/a/48980995/1046449 -->
 							in the inheritance hierarchy this field is derived from.
 
 							This attribute is to be used in cases where there is an ambiguity
-							in the inheritance. An example are the ``AXISNAME`` and ``DATA``
-							fields in ``NXdata``, which are both of type ``NX_NUMBER``.
-							Thus, when specializing ``NXdata`` in an application definition,
-							``extends`` attribute allows to specify whether a field in the
-							specialized ``NXdata`` is an ``AXISNAME`` and ``DATA``.
+							in the inheritance. At the moment, this is only the case for the
+							``AXISNAME`` and ``DATA`` fields in ``NXdata``, which are both of
+							type ``NX_NUMBER``. Thus, when specializing ``NXdata`` in an application
+							 definition, the ``extends`` attribute allows to specify whether a field
+							in the specialized ``NXdata`` is an ``AXISNAME`` and ``DATA``.
 
 							For example, consider the following NXDL snippet: