diff --git a/uui-docs/src/demoData/slateInitialValue.ts b/uui-docs/src/demoData/slateInitialValue.ts
index cb6e5c5706..f58f77ca4b 100644
--- a/uui-docs/src/demoData/slateInitialValue.ts
+++ b/uui-docs/src/demoData/slateInitialValue.ts
@@ -972,6 +972,7 @@ export const slateInitialValue = [
                         rowSpan: 1,
                     },
                 ],
+                size: 46,
             },
         ],
         data: {},
@@ -982,15 +983,6 @@ export const slateInitialValue = [
             189,
         ],
     },
-    {
-        type: 'uui-richTextEditor-header-3',
-        data: {},
-        children: [
-            {
-                text: '',
-            },
-        ],
-    },
     {
         type: 'uui-richTextEditor-header-3',
         data: {},