Issue #16199: Fix typo in 2to3 docs. Thanks to Mark Lawrence for the report.
diff --git a/Doc/library/2to3.rst b/Doc/library/2to3.rst
index a13fb65..d07aaa1 100644
--- a/Doc/library/2to3.rst
+++ b/Doc/library/2to3.rst
@@ -23,7 +23,7 @@
also located in the :file:`Tools/scripts` directory of the Python root.
2to3's basic arguments are a list of files or directories to transform. The
-directories are to recursively traversed for Python sources.
+directories are recursively traversed for Python sources.
Here is a sample Python 2.x source file, :file:`example.py`::