--- a/CHANGES.txt	Fri May 03 19:59:21 2019 +0200
+++ b/CHANGES.txt	Fri May 03 20:04:40 2019 +0200
@@ -19,27 +19,38 @@
    .. change::
       :tags: breaking
 
-      The public functions to manage file extensions to file modes have
-      been renamed to :py:func:`configmix.set_assoc`,
-      :py:func:`configmix.get_assoc`, :py:func:`clear_assoc`,
+      Additional or alternative loaders can be installed by changing
+      the :py:data:`configmix.mode_loaders` dictionary directly.
+
+   .. change::
+      :tags: breaking
+
+      The public functions to associate filename extensions to filemodes
+      have been renamed to :py:func:`configmix.set_assoc`,
+      :py:func:`configmix.get_assoc`,
+      :py:func:`configmix.clear_assoc`,
       :py:func:`configmix.get_default_assoc`.
 
+      The filemodes must be keys in the :py:data:`configmix.mode_loaders`
+      dictionary.
+
    .. change::
       :tags: breaking, feature
 
       The associations from filename extensions to parsers are
       :py:mod:`fnmatch` style patterns now.
 
-      Calling :py:func:`configmix.set_assoc` prepends to the currently
-      defined associations and therefore gets the highest priority.
+      Calling :py:func:`configmix.set_assoc` by default prepends to
+      the currently defined associations and therefore gets the
+      highest priority. Appending is possible also.
 
    .. change::
       :tags: feature
 
-      :py:func:`configmix.load` and :py:func:`configmix.safe_load` got a
-      keyword argument `defaults` that allow the provision of an already
-      existing default configuration wheter all additional configuration
-      settings are merged into.
+      :py:func:`configmix.load` and :py:func:`configmix.safe_load` got
+      a keyword argument `defaults` that allow the provision of an
+      already existing default configuration into which all additional
+      configuration settings are merged into.
 
 
 .. changelog::