diff --git a/changelogs/client_server/newsfragments/3669.clarification b/changelogs/client_server/newsfragments/3669.clarification
new file mode 100644
index 00000000..795c0de9
--- /dev/null
+++ b/changelogs/client_server/newsfragments/3669.clarification
@@ -0,0 +1 @@
+Remove unenforced size limit on the `name` field of `m.room.name` events.
\ No newline at end of file
diff --git a/data/event-schemas/schema/m.room.name.yaml b/data/event-schemas/schema/m.room.name.yaml
index bbc5fc9a..c9236de0 100644
--- a/data/event-schemas/schema/m.room.name.yaml
+++ b/data/event-schemas/schema/m.room.name.yaml
@@ -17,7 +17,7 @@ properties:
   content:
     properties:
       name:
-        description: The name of the room. This MUST NOT exceed 255 bytes.
+        description: The name of the room.
         type: string
     required:
       - name