diff --git a/api/server-server/joins.yaml b/api/server-server/joins.yaml
index 11a47af6..eaf14e71 100644
--- a/api/server-server/joins.yaml
+++ b/api/server-server/joins.yaml
@@ -84,7 +84,7 @@ paths:
                     properties:
                       membership:
                         type: string
-                        description: The value ``join``
+                        description: The value ``join``.
                         example: "join"
                     required: ['membership']
                   depth: