From 62e3b6370cf9aa990485d9c7c3ea3f6f150daa47 Mon Sep 17 00:00:00 2001
From: Pablo Galindo <Pablogsal@gmail.com>
Date: Wed, 3 Mar 2021 18:25:41 +0000
Subject: Add an attribution to the Green Tree Snakes in the AST docs
 (GH-24727)

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

diff --git a/Doc/library/ast.rst b/Doc/library/ast.rst
index aaedfbe..b5e1be8 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
 ^^^^^^^^
-- 
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