bpo-33297: Mention Pillow to work with more image formats. (#6505)
Also update PIL doc references to Pillow.
diff --git a/Doc/tutorial/modules.rst b/Doc/tutorial/modules.rst
index 584d4fd..3f68932 100644
--- a/Doc/tutorial/modules.rst
+++ b/Doc/tutorial/modules.rst
@@ -382,7 +382,7 @@
named ``B`` in a package named ``A``. Just like the use of modules saves the
authors of different modules from having to worry about each other's global
variable names, the use of dotted module names saves the authors of multi-module
-packages like NumPy or the Python Imaging Library from having to worry about
+packages like NumPy or Pillow from having to worry about
each other's module names.
Suppose you want to design a collection of modules (a "package") for the uniform