Update docs-parts/existing/1-Virtual-Modules_lang1.rst

Co-Authored-By: austin-hilberg <[email protected]>

docs-parts/existing/1-Virtual-Modules_lang1.rst

@@ -9,6 +9,6 @@ The function can take several parameters:
 
   ``create_schema``: if ``True``, create the schema on the database server if it does not already exist; if ``False`` (default), raise an error when the schema is not found.
 
-  ``create_tables``: if ``True``, ``module.schema`` can be used as the decorator for declaring new classes.
+  ``create_tables``: if ``True``, ``module.schema`` can be used as the decorator for declaring new classes; if ``False``, such use will raise an error stating that the module is intend only to work with existing tables.
 
 The function returns the Python module containing classes from the schema object as well as the table classes.