diff --git a/Doc/library/configparser.rst b/Doc/library/configparser.rst
index 04b52dc7b21531..29418d0a5afdd3 100644
--- a/Doc/library/configparser.rst
+++ b/Doc/library/configparser.rst
@@ -135,6 +135,30 @@ involves the ``DEFAULT`` section which provides default values for all other
sections [1]_. Note also that keys in sections are
case-insensitive and stored in lowercase [1]_.
+It is possible to read several configurations into a single
+:class:`ConfigParser`, where the most recently added configuration has the
+highest priority. Any conflicting keys are taken from the more recent
+configuration while the previously existing keys are retained.
+
+.. doctest::
+
+ >>> another_config = configparser.ConfigParser()
+ >>> another_config.read('example.ini')
+ ['example.ini']
+ >>> another_config['topsecret.server.com']['Port']
+ '50022'
+ >>> another_config.read_string("[topsecret.server.com]\nPort=48484")
+ >>> another_config['topsecret.server.com']['Port']
+ '48484'
+ >>> another_config.read_dict({"topsecret.server.com": {"Port": 21212}})
+ >>> another_config['topsecret.server.com']['Port']
+ '21212'
+ >>> another_config['topsecret.server.com']['ForwardX11']
+ 'no'
+
+This behaviour is equivalent to a :meth:`ConfigParser.read` call with several
+files passed to the *filenames* parameter.
+
Supported Datatypes
-------------------
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