Fix doc.

1 files changed, 5 insertions, 0 deletions

diff --git a/lisp/whitespace.el b/lisp/whitespace.el
index 118a151d67d..a66bd9360f3 100644
--- a/lisp/whitespace.el
+++ b/lisp/whitespace.el
@@ -60,6 +60,11 @@
 ;; characters over the default mechanism of `nobreak-char-display'
 ;; (which see) and `show-trailing-whitespace' (which see).
 ;;
+;; The trailing spaces are not highlighted while point is at end of line.
+;; Also the spaces at beginning of buffer are not highlighted while point is at
+;; beginning of buffer; and the spaces at end of buffer are not highlighted
+;; while point is at end of buffer.
+;;
 ;; There are two ways of using whitespace: local and global.
 ;;
 ;; * Local whitespace affects only the current buffer.