diff --git a/src/common/utils/mermaidUtils.ts b/src/common/utils/mermaidUtils.ts
index a891462b1..fd9c9dfef 100644
--- a/src/common/utils/mermaidUtils.ts
+++ b/src/common/utils/mermaidUtils.ts
@@ -546,6 +546,7 @@ export async function generateHistoryDiffMarkdown(flowFile: string, debugMode: b
   // Set all the results in a single tabbed markdown
   uxLog(this, c.cyan(`Aggregating results in summary tabbed file ${diffMdFile}...`));
   let finalMd = `# ${flowLabel} history\n\n`;
+  finalMd += "<!-- This page has been generated to be viewed with mkdocs-material, you can not view it just as markdown . Activate tab plugin following the doc at https://squidfunk.github.io/mkdocs-material/reference/content-tabs/ -->\n\n"
   for (const diffMdFile of diffMdFiles) {
     finalMd += `=== "${moment(diffMdFile.commitAfter.date).format("ll")}` + (diffMdFile.initialVersion ? " (Initial)" : "") + `"\n\n`;
     finalMd += `    _${moment(diffMdFile.commitAfter.date).format("ll")}, by ${diffMdFile.commitAfter.author_name} in commit ${diffMdFile.commitAfter.message}_\n\n`;