diff --git a/api_docs/changelog.md b/api_docs/changelog.md
index 04a986cf5c..dd2f90cd82 100644
--- a/api_docs/changelog.md
+++ b/api_docs/changelog.md
@@ -20,6 +20,17 @@ format used by the Zulip server that they are interacting with.
 
 ## Changes in Zulip 11.0
 
+**Feature level 393**
+
+* [`PATCH /messages/{message_id}`](/api/delete-message),
+  [`POST /register`](/api/register-queue), [`GET /events`](/api/get-events):
+  In `delete_message` event, all the `message_ids` will now be sorted in
+  increasing order.
+* [`PATCH /messages/{message_id}`](/api/update-message),
+  [`POST /register`](/api/register-queue), [`GET /events`](/api/get-events):
+  In `update_message` event, all the `message_ids` will now be sorted in
+  increasing order.
+
 **Feature level 392**
 
 * [`GET /users/me/subscriptions`](/api/get-subscriptions),
diff --git a/api_docs/unmerged.d/ZF-215011.md b/api_docs/unmerged.d/ZF-215011.md
deleted file mode 100644
index 2366a9ba50..0000000000
--- a/api_docs/unmerged.d/ZF-215011.md
+++ /dev/null
@@ -1,4 +0,0 @@
-* [`PATCH /messages/{message_id}`](/api/delete-message),
-  [`POST /register`](/api/register-queue), [`GET /events`](/api/get-events):
-  In `delete_message` event, all the `message_ids` will now be sorted in
-  increasing order.
diff --git a/api_docs/unmerged.d/ZF-908160.md b/api_docs/unmerged.d/ZF-908160.md
deleted file mode 100644
index 94e54773da..0000000000
--- a/api_docs/unmerged.d/ZF-908160.md
+++ /dev/null
@@ -1,4 +0,0 @@
-* [`PATCH /messages/{message_id}`](/api/update-message),
-  [`POST /register`](/api/register-queue), [`GET /events`](/api/get-events):
-  In `update_message` event, all the `message_ids` will now be sorted in
-  increasing order.
diff --git a/version.py b/version.py
index a372f2b605..7358ba9fda 100644
--- a/version.py
+++ b/version.py
@@ -34,7 +34,7 @@ DESKTOP_WARNING_VERSION = "5.9.3"
 # new level means in api_docs/changelog.md, as well as "**Changes**"
 # entries in the endpoint's documentation in `zulip.yaml`.
 
-API_FEATURE_LEVEL = 392
+API_FEATURE_LEVEL = 393
 
 # Bump the minor PROVISION_VERSION to indicate that folks should provision
 # only when going from an old version of the code to a newer version. Bump
diff --git a/zerver/openapi/zulip.yaml b/zerver/openapi/zulip.yaml
index 9c1a9cfed5..c75e557025 100644
--- a/zerver/openapi/zulip.yaml
+++ b/zerver/openapi/zulip.yaml
@@ -2138,7 +2138,7 @@ paths:
 
                                     A sorted list containing the IDs of the newly deleted messages.
 
-                                    **Changes**: Before Zulip 11.0 (feature level ZF-215011), this list was
+                                    **Changes**: Before Zulip 11.0 (feature level 393), this list was
                                     not guaranteed to be sorted.
 
                                     [client-capabilities]: /api/register-queue#parameter-client_capabilities
@@ -2496,7 +2496,7 @@ paths:
                                     Content changes should be applied only to the single message
                                     indicated by `message_id`.
 
-                                    **Changes**: Before Zulip 11.0 (feature level ZF-908160), this list
+                                    **Changes**: Before Zulip 11.0 (feature level 393), this list
                                     was not guaranteed to be sorted.
                                 flags:
                                   type: array