diff --git a/CHANGES.rst b/CHANGES.rst
index 0935d4a..8370f30 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,4 +1,14 @@
 
+Release 1.9.3
+=========================================
+
+* **BUGFIX:** Fixed incorrect export serialization of Highcharts Maps for Python map topologies.
+* **BUGFIX:** Added support for value ``'allow'`` to ``DataLabel.overflow`` property. Fixes #198.
+* **DOCS:** Fixed some typos in documentation (courtesy of @JulienBacquart).
+
+----
+
+
 Release 1.9.2
 =========================================
 
diff --git a/docs/contributing.rst b/docs/contributing.rst
index 867dc41..e3d1e6b 100644
--- a/docs/contributing.rst
+++ b/docs/contributing.rst
@@ -98,7 +98,7 @@ Naming Conventions
   noun that describes what information is contained in the variable. If a ``bool``,
   preface with ``is_`` or ``has_`` or similar question-word that can be answered
   with a yes-or-no.
-* ``function_name`` and not ``function_name`` or ``functionName``. Should be an
+* ``function_name`` and not ``functionName`` or ``FunctionName``. Should be an
   imperative that describes what the function does (e.g. ``get_next_page``).
 * ``CONSTANT_NAME`` and not ``constant_name`` or ``ConstantName``.
 * ``ClassName`` and not ``class_name`` or ``Class_Name``.
diff --git a/docs/glossary.rst b/docs/glossary.rst
index 3e4d250..4dfce60 100644
--- a/docs/glossary.rst
+++ b/docs/glossary.rst
@@ -241,7 +241,7 @@ Glossary
 
     JavaScript Object Literal Notation *is* JavaScript source code. JSON is not. JSON is
     a way of encoding data into a text form that JavaScript is able to parse and
-    deserialize. Because Highcharts JS relies heavily on JavaScriot object literal
+    deserialize. Because Highcharts JS relies heavily on JavaScript object literal
     notation to support the definition of :term:`event handlers <event handler>` and
     :term:`callback functions <callback function>`, **Highcharts for Python** is designed
     to serialize and deserialize Python representations to/from their JavaScript object
@@ -254,7 +254,7 @@ Glossary
       :widths: 50 50
       :header-rows: 1
 
-      * - JavaScriot Object Literal Notation
+      * - JavaScript Object Literal Notation
         - JSON
       * - |
           .. code-block:: JavaScript
diff --git a/highcharts_core/__version__.py b/highcharts_core/__version__.py
index 4175d39..be0b610 100644
--- a/highcharts_core/__version__.py
+++ b/highcharts_core/__version__.py
@@ -1 +1 @@
-__version__ = '1.9.2'
+__version__ = '1.9.3'
diff --git a/highcharts_core/metaclasses.py b/highcharts_core/metaclasses.py
index 529ed69..6e6efc5 100644
--- a/highcharts_core/metaclasses.py
+++ b/highcharts_core/metaclasses.py
@@ -323,6 +323,18 @@ def trim_dict(untrimmed: dict,
                     trimmed_value = str(value)
                     if trimmed_value and trimmed_value != 'None':
                         as_dict[key] = trimmed_value
+            # MapData -> dict --> object
+            elif checkers.is_type(value, 'MapData') and to_json and for_export:
+                untrimmed_value = value._to_untrimmed_dict()
+                updated_context = value.__class__.__name__
+                topology = untrimmed_value.get('topology', None)
+                if topology:
+                    trimmed_value = topology.to_dict()
+                else:
+                    trimmed_value = None
+
+                if trimmed_value:
+                    as_dict[key] = trimmed_value
             # HighchartsMeta -> dict --> object
             elif value and hasattr(value, '_to_untrimmed_dict'):
                 untrimmed_value = value._to_untrimmed_dict()
@@ -704,7 +716,7 @@ def from_js_literal(cls,
             return cls.from_js_literal(prefixed_str,
                                        _break_loop_on_failure = True)
         elif not checkers.is_type(body, 'VariableDeclaration'):
-            raise errors.HighchartsVariableDeclarationError('To parse a JavaScriot '
+            raise errors.HighchartsVariableDeclarationError('To parse a JavaScript '
                                                             'object literal, it is '
                                                             'expected to be either a '
                                                             'variable declaration or a'
@@ -1338,7 +1350,7 @@ def from_js_literal(cls,
             return cls.from_js_literal(prefixed_str,
                                        _break_loop_on_failure = True)
         elif not checkers.is_type(body, 'VariableDeclaration'):
-            raise errors.HighchartsVariableDeclarationError('To parse a JavaScriot '
+            raise errors.HighchartsVariableDeclarationError('To parse a JavaScript '
                                                             'object literal, it is '
                                                             'expected to be either a '
                                                             'variable declaration or a'
diff --git a/highcharts_core/utility_classes/data_labels.py b/highcharts_core/utility_classes/data_labels.py
index e5d0933..b56bb78 100644
--- a/highcharts_core/utility_classes/data_labels.py
+++ b/highcharts_core/utility_classes/data_labels.py
@@ -561,8 +561,8 @@ def overflow(self, value):
             self._overflow = None
         else:
             value = value.lower()
-            if value not in ['justify', 'none']:
-                raise errors.HighchartsValueError(f'overflow accepts "justify" or "none".'
+            if value not in ['justify', 'allow', 'none']:
+                raise errors.HighchartsValueError(f'overflow accepts "justify", "allow", or "none".'
                                                   f' Was: {value}')
             self._overflow = value