Fix model.rst

Move changes to versions_0_11.rst.inc

doc/usersguide/source/changes/version_0_11.rst.inc

@@ -1,6 +1,9 @@
 New features
 ------------
 
+* A default value can be assigned to fields that are not present
+ in the initial data (see the :ref:`miscellaneous section <model>` for details).
+
 * added a feature (see the :ref:`miscellaneous section <misc>` for details).
 
 * added another feature.

doc/usersguide/source/model.rst

@@ -219,10 +219,11 @@ However, in practice, there are often some fields which are not present in the
 input file. They will need to be calculated later by the model, and you need to
 tell LIAM2 that the field is missing, by using `initialdata: False` in the
 definition for that field (see the *agegroup* variable in the example below).
-The fields that are not present in the initial file can also be initialized to
-a specific value by using the `default: some_default_value`. If not present they
-are initialized to the default of the field type which are False for boolean,
--1 for integer and numpy nan for float (see the *alive* variable in the example below).
+
+The fields that are not present in the initial file or the fields associated with newly created members
+of any entity can also be initialized to a specific value by using the `default: some_default_value`.
+If not present they are initialized to the default of the field type which are False for boolean and
+0 for integer and float (see the *alive* variable in the example below).
 
 .. _fields_output: