[2.1.x] Refs #20910 -- Replaced snippet directive with code-block.

Backport of c49ea6f5911296dcb40190c905e38b43cdc7c7a3 from master

2 files changed, 4 insertions, 4 deletions

diff --git a/docs/internals/contributing/writing-code/coding-style.txt b/docs/internals/contributing/writing-code/coding-style.txt
index 36203e3ab7..4b37f1f3c6 100644
--- a/docs/internals/contributing/writing-code/coding-style.txt
+++ b/docs/internals/contributing/writing-code/coding-style.txt
@@ -123,8 +123,8 @@ Imports
 
   For example (comments are for explanatory purposes only):
 
-  .. snippet::
-      :filename: django/contrib/admin/example.py
+  .. code-block:: python
+      :caption: django/contrib/admin/example.py
 
       # future
       from __future__ import unicode_literals
diff --git a/docs/internals/contributing/writing-code/unit-tests.txt b/docs/internals/contributing/writing-code/unit-tests.txt
index 7ce2da08ef..973ed27644 100644
--- a/docs/internals/contributing/writing-code/unit-tests.txt
+++ b/docs/internals/contributing/writing-code/unit-tests.txt
@@ -446,8 +446,8 @@ Since this pattern involves a lot of boilerplate, Django provides the
     :func:`~django.test.utils.isolate_apps` instances are correctly
     installed, you should pass the set of targeted ``app_label`` as arguments:
 
-    .. snippet::
-        :filename: tests/app_label/tests.py
+    .. code-block:: python
+        :caption: tests/app_label/tests.py
 
         from django.db import models
         from django.test import SimpleTestCase