diff --git a/lisp/find-dired.el b/lisp/find-dired.el
index e52adaa9d9f..5b4ee0d70aa 100644
--- a/lisp/find-dired.el
+++ b/lisp/find-dired.el
@@ -174,6 +174,11 @@ The command run (after changing into DIR) is essentially
 except that the car of the variable `find-ls-option' specifies what to
 use in place of \"-ls\" as the final argument.
 
+If your `find' program is not a GNU Find, the columns in the produced
+Dired display might fail to align.  We recommend to install GNU Find in
+those cases (you may need to customize the value of `find-program' if
+you do so), which attempts to align the columns.
+
 Collect output in the \"*Find*\" buffer.  To kill the job before
 it finishes, type \\[kill-find].