diff --git a/elfeed-export.el b/elfeed-export.el
index cd5674a..e48346c 100644
--- a/elfeed-export.el
+++ b/elfeed-export.el
@@ -105,6 +105,7 @@ return t when the entry should be exported."
           elfeed-export-fields))
 
 (defun elfeed-export-filter-entries (entries)
+  "Filter ENTRIES according to all predictates in `elfeed-export-predicates'."
   (seq-filter (lambda (entry)
                 (let ((feed (elfeed-entry-feed entry)))
                   (seq-every-p (lambda (pred)