diff --git a/htdocs/includes/ckeditor/UPGRADE.md b/htdocs/includes/ckeditor/UPGRADE.md
index 633f783fa79..e35dc6cff39 100644
--- a/htdocs/includes/ckeditor/UPGRADE.md
+++ b/htdocs/includes/ckeditor/UPGRADE.md
@@ -5,4 +5,5 @@ To upgrade ckeditor:
 - Add plugin SourceDialog (for "source" button on edit inline)
 - Choose skin mona-lisa
 - Choose all languages
-- Download
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+- Download
+- Repalce files and remove dir 'samples'.
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