diff --git a/media.yaml b/media.yaml
index bd2e863..7adc7ed 100644
--- a/media.yaml
+++ b/media.yaml
@@ -1,11 +1,11 @@
 projects:
   -
     identifier: 'obs'
-    version: {latest}
+    version: '{latest}'
     media:
       -
        identifier: 'pdf'
-       version: 1
+       version: '1'
        contributor: []
        url: 'https://cdn.door43.org/obs/txt/1/hu/obs-hu-v4_1.pdf'
       -