From b3d643654bfc1176ea9c1a1f3ef3a0492b116214 Mon Sep 17 00:00:00 2001
From: Pablo Galindo <pablogsal@gmail.com>
Date: Wed, 3 Mar 2021 16:42:10 +0000
Subject: [PATCH] Add attribution to the Green Tree Snakes in the AST docs

---
 Doc/library/ast.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Doc/library/ast.rst b/Doc/library/ast.rst
index aaedfbe1b9c013..b5e1be82691157 100644
--- a/Doc/library/ast.rst
+++ b/Doc/library/ast.rst
@@ -140,6 +140,11 @@ Node classes
    In the meantime, instantiating them will return an instance of
    a different class.
 
+.. note::
+    The descriptions of the specific node classes displayed here
+    were initially adapted from the fantastic `Green Tree
+    Snakes <https://greentreesnakes.readthedocs.io/en/latest/>`__ project and
+    all its contributors.
 
 Literals
 ^^^^^^^^