diff --git a/docs/internals/contributing/writing-code/coding-style.txt b/docs/internals/contributing/writing-code/coding-style.txt
index 20605aef56..c7502985b6 100644
--- a/docs/internals/contributing/writing-code/coding-style.txt
+++ b/docs/internals/contributing/writing-code/coding-style.txt
@@ -127,6 +127,10 @@ Python style
         """
         ...
 
+* Where applicable, use unpacking generalizations compliant with :pep:`448`,
+  such as merging mappings (``{**x, **y}``) or sequences (``[*a, *b]``). This
+  improves performance, readability, and maintainability while reducing errors.
+
 .. _coding-style-imports:
 
 Imports