diff --git a/vignettes/_translation_links.R b/vignettes/_translation_links.R
index 8c549c96f..5e09f447c 100644
--- a/vignettes/_translation_links.R
+++ b/vignettes/_translation_links.R
@@ -1,4 +1,5 @@
 # build a link list of alternative languages (may be character(0))
+# idea is to look like 'Other languages: en | fr | de'
 .write.translation.links <- function(fmt) {
     url = "https://rdatatable.gitlab.io/data.table/articles"
     path = dirname(knitr::current_input(TRUE))