diff --git a/CHANGES/5725.doc b/CHANGES/5725.doc
new file mode 100644
index 00000000000..1b50453f0b7
--- /dev/null
+++ b/CHANGES/5725.doc
@@ -0,0 +1,2 @@
+Fixed docs on request cookies type, so it matches what is actually used in the code (a
+read-only dictionary-like object).
diff --git a/docs/web_reference.rst b/docs/web_reference.rst
index bd50382eca1..d969977add7 100644
--- a/docs/web_reference.rst
+++ b/docs/web_reference.rst
@@ -227,9 +227,9 @@ and :ref:`aiohttp-web-signals` handlers.
 
    .. attribute:: cookies
 
-      A multidict of all request's cookies.
+      A read-only dictionary-like object containing the request's cookies.
 
-      Read-only :class:`~multidict.MultiDictProxy` lazy property.
+      Read-only :class:`~types.MappingProxyType` property.
 
    .. attribute:: content