Close #13857: Added textwrap.indent() function (initial patch by Ezra
  Berch)
diff --git a/Doc/whatsnew/3.3.rst b/Doc/whatsnew/3.3.rst
index cd57a39..f52d5ae 100644
--- a/Doc/whatsnew/3.3.rst
+++ b/Doc/whatsnew/3.3.rst
@@ -1406,6 +1406,14 @@
 
   (:issue:`11223`)
 
+textwrap
+--------
+
+* The :mod:`textwrap` module has a new :func:`~textwrap.indent` that makes
+  it straightforward to add a common prefix to selected lines in a block
+  of text.
+
+  (:issue:`13857`)
 
 time
 ----