diff --git a/sushi-config.yaml b/sushi-config.yaml
index 33064ce..5c02843 100644
--- a/sushi-config.yaml
+++ b/sushi-config.yaml
@@ -18,4 +18,5 @@ parameters:
   logo: assets/images/001.svg
   show-in-header: true
   excludelogic: bd-condition-icd11-diagnosis-valueset
-  special-url: http://id.who.int/icd/release/11/mms
\ No newline at end of file
+  special-url:
+    - http://id.who.int/icd/release/11/mms
\ No newline at end of file