diff --git a/functions/_common/urlTools.ts b/functions/_common/urlTools.ts
index 0fc6419ea2b..113c5c83dc9 100644
--- a/functions/_common/urlTools.ts
+++ b/functions/_common/urlTools.ts
@@ -8,7 +8,8 @@ export function getGrapherFilters(
         ? Object.fromEntries(searchParams)
         : undefined
     if (!params) return undefined
-    // delete url query params that the download api uses but that are not related to grapher
+    // delete url query params that the download api uses but that are not related to grapher.
+    // Might want to store these in a separate object in the future
     delete params.v1
     delete params.csvType
     delete params.useColumnShortNames