diff --git a/Readme.md b/Readme.md
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+++ b/Readme.md
@@ -18,6 +18,8 @@ The tool runs `tsc` with `--diagnostics` or `--extendedDiagnostics` on a project
 
 Each run writes a JSON file, which scripts and CI jobs can read, and an HTML report to open in a browser.
 
+![HTML report generated by `tsc-diagnostics diagnostics . --mode extendedDiagnostics`](./assets/screenshots/html-report.png)
+
 See [CHANGELOG.md](CHANGELOG.md) for release notes.
 
 ## Installation
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