-SEARCHES must be a list containing lists of the form (NAME QUERY COUNT), where
-QUERY is the query to start when the button for the corresponding entry is
-activated. COUNT should be the number of messages matching the query.
-Such a list can be computed with `notmuch-hello-query-counts'."
+SEARCHES must be a list of plists each of which should contain at
+least the properties :name NAME :query QUERY and :count COUNT,
+where QUERY is the query to start when the button for the
+corresponding entry is activated, and COUNT should be the number
+of messages matching the query. Such a plist can be computed
+with `notmuch-hello-query-counts'."