diff --git a/modules/maxquant/lfq/meta.yml b/modules/maxquant/lfq/meta.yml
index 3eec1638..1078fc7a 100644
--- a/modules/maxquant/lfq/meta.yml
+++ b/modules/maxquant/lfq/meta.yml
@@ -9,7 +9,7 @@ tools:
       documentation: None
       tool_dev_url: None
       doi: ""
-      licence: ['http://www.coxdocs.org/lib/exe/fetch.php?media=license_agreement.pdf']
+      licence: ["http://www.coxdocs.org/lib/exe/fetch.php?media=license_agreement.pdf"]
 
 input:
   - meta: