diff --git a/eshell-fringe-status.el b/eshell-fringe-status.el
index d122628..d931492 100644
--- a/eshell-fringe-status.el
+++ b/eshell-fringe-status.el
@@ -32,6 +32,13 @@
 ;; working in regard to `eshell-prompt-regexp', so if anything breaks
 ;; please let me know.
 
+;; Some extra fringe bitmaps are provided. In case you prefer either
+;; or both of them over the default arrow bitmap. These are
+;; `efs-plus-bitmap' and `efs-minus-bitmap'. These show a `+' and `-'
+;; in the fringe respectively, instead of an arrow. These can be used
+;; by setting the `eshell-fringe-status-success-bitmap' and the
+;; `eshell-fringe-status-failure-map' options.
+
 ;;; Code:
 
 (require 'em-prompt)