diff --git a/_pytest/python.py b/_pytest/python.py
index 254459d9500..526f4be09cb 100644
--- a/_pytest/python.py
+++ b/_pytest/python.py
@@ -1337,6 +1337,8 @@ def raises(expected_exception, *args, **kwargs):
         >>> with raises(ZeroDivisionError):
         ...    1/0
 
+    .. versionchanged:: 2.10
+
     In the context manager form you may use the keyword argument
     ``message`` to specify a custom failure message::
 
diff --git a/doc/en/assert.rst b/doc/en/assert.rst
index 687dadb8528..d867dfa9af6 100644
--- a/doc/en/assert.rst
+++ b/doc/en/assert.rst
@@ -85,6 +85,8 @@ and if you need to have access to the actual exception info you may use::
 the actual exception raised.  The main attributes of interest are
 ``.type``, ``.value`` and ``.traceback``.
 
+.. versionchanged:: 2.10
+
 In the context manager form you may use the keyword argument
 ``message`` to specify a custom failure message::