diff --git a/discord/interactions.py b/discord/interactions.py
index 508dc665..6261346b 100644
--- a/discord/interactions.py
+++ b/discord/interactions.py
@@ -350,6 +350,8 @@ class Interaction:
         delay: Optional[:class:`float`]
             If provided, the number of seconds to wait before deleting the message.
             The waiting is done in the background and deletion failures are ignored.
+            
+            .. versionadded:: 2.0
 
         Raises
         -------
@@ -494,6 +496,7 @@ class InteractionResponse:
             is set to 15 minutes.
         delete_after: Optional[:class:`float`]
             The amount of seconds the bot should wait before deleting the message sent.
+            .. versionadded:: 2.0
 
         Raises
         -------
diff --git a/discord/webhook/async_.py b/discord/webhook/async_.py
index f84cde2c..23a54f6b 100644
--- a/discord/webhook/async_.py
+++ b/discord/webhook/async_.py
@@ -1339,6 +1339,7 @@ class Webhook(BaseWebhook):
         delete_after: Optional[:class:`float`]
             If provided, the number of seconds to wait before deleting the message.
             The waiting is done in the background and deletion failures are ignored.
+            .. versionadded:: 2.0
 
         Raises
         --------
@@ -1595,6 +1596,8 @@ class Webhook(BaseWebhook):
         delay: Optional[:class:`float`]
             If provided, the number of seconds to wait before deleting the message.
             The waiting is done in the background and deletion failures are ignored.
+            
+            .. versionadded:: 2.0
 
         Raises
         -------