diff --git a/htdocs/core/class/doleditor.class.php b/htdocs/core/class/doleditor.class.php
index 925263411d0..f0487fd875b 100644
--- a/htdocs/core/class/doleditor.class.php
+++ b/htdocs/core/class/doleditor.class.php
@@ -251,7 +251,7 @@ class DolEditor
 										        }
 												*/
 										},
-									disableNativeSpellChecker: '.(!getDolGlobalString('CKEDITOR_NATIVE_SPELLCHECKER') ? 'true' : 'false');
+									disableNativeSpellChecker: '.(getDolGlobalString('CKEDITOR_NATIVE_SPELLCHECKER') ? 'false' : 'true');
 
 				if ($this->uselocalbrowser) {
 					$out .= ','."\n";
diff --git a/htdocs/website/index.php b/htdocs/website/index.php
index 2bdef06401f..7897ce22ce4 100644
--- a/htdocs/website/index.php
+++ b/htdocs/website/index.php
@@ -3431,6 +3431,8 @@ if (!GETPOST('hide_websitemenu')) {
 				// Edit CKEditor
 				if (getDolGlobalInt('WEBSITE_ALLOW_CKEDITOR')) {
 					print '<a href="'.$_SERVER["PHP_SELF"].'?website='.$object->ref.'&pageid='.$pageid.'&action=editcontent&token='.newToken().'" class="button bordertransp"'.$disabled.'>'.dol_escape_htmltag("CKEditor").'</a>';
+				} else {
+					print '<!-- Add option WEBSITE_ALLOW_CKEDITOR to allow ckeditor -->';
 				}
 
 				print '</span>';