diff --git a/doc/specs/schemas/Timeline.yaml b/doc/specs/schemas/Timeline.yaml
index 4d53255..57d0560 100644
--- a/doc/specs/schemas/Timeline.yaml
+++ b/doc/specs/schemas/Timeline.yaml
@@ -169,7 +169,7 @@ properties:
                 win:
                   type: boolean
                 perf:
-                  $ref: './Perf.yaml'
+                  $ref: './PerfType.yaml'
               required:
                 - fullId
                 - opponent