diff --git a/config/nimbus.yaml b/config/nimbus.yaml
index 5cffc3ff3f2..a2583065915 100644
--- a/config/nimbus.yaml
+++ b/config/nimbus.yaml
@@ -78,6 +78,9 @@ enums:
   FreeScanCtaType:
     description: An enum of free scan CTA types
     variants:
-      ctaWithEmail: Show a CTA button with an optional email input
-      ctaOnly: Only show a CTA button with the label “Get free scan”
-      ctaOnlyAlternativeLabel: Only show a CTA button with the label “Sign in to get free scan”
+      ctaWithEmail:
+        description: Show a CTA button with an optional email input
+      ctaOnly:
+        description: Only show a CTA button with the label “Get free scan”
+      ctaOnlyAlternativeLabel:
+        description: Only show a CTA button with the label “Sign in to get free scan”