diff --git a/changelogs/client_server/newsfragments/1215.clarification b/changelogs/client_server/newsfragments/1215.clarification
new file mode 100644
index 00000000..3ccb2333
--- /dev/null
+++ b/changelogs/client_server/newsfragments/1215.clarification
@@ -0,0 +1 @@
+Fix various typos throughout the specification.
diff --git a/data/api/client-server/joining.yaml b/data/api/client-server/joining.yaml
index 70e7444e..48d630c4 100644
--- a/data/api/client-server/joining.yaml
+++ b/data/api/client-server/joining.yaml
@@ -111,7 +111,7 @@ paths:
     post:
       summary: Start the requesting user participating in a particular room.
       description: |-
-        *Note that this API takes either a room ID or alias, unlike* `/room/{roomId}/join`.
+        *Note that this API takes either a room ID or alias, unlike* `/rooms/{roomId}/join`.
 
         This API starts a user participating in a particular room, if that user
         is allowed to participate in that room. After this call, the client is