diff --git a/changelogs/client_server/newsfragments/2091.clarification b/changelogs/client_server/newsfragments/2091.clarification
new file mode 100644
index 00000000..3ccb2333
--- /dev/null
+++ b/changelogs/client_server/newsfragments/2091.clarification
@@ -0,0 +1 @@
+Fix various typos throughout the specification.
diff --git a/data/api/client-server/old_sync.yaml b/data/api/client-server/old_sync.yaml
index 0a3c0439..118087c0 100644
--- a/data/api/client-server/old_sync.yaml
+++ b/data/api/client-server/old_sync.yaml
@@ -214,7 +214,7 @@ paths:
                             - public
                           description: |-
                             Whether this room is visible to the `/publicRooms` API
-                            or not."
+                            or not.
                         account_data:
                           type: array
                           description: |-
diff --git a/data/api/client-server/room_initial_sync.yaml b/data/api/client-server/room_initial_sync.yaml
index 130efa1c..e9ad7a63 100644
--- a/data/api/client-server/room_initial_sync.yaml
+++ b/data/api/client-server/room_initial_sync.yaml
@@ -96,7 +96,7 @@ paths:
                       - public
                     description: |-
                       Whether this room is visible to the `/publicRooms` API
-                      or not."
+                      or not.
                   account_data:
                     type: array
                     description: The private data that this user has attached to this room.