diff --git a/index.html b/index.html
index 2df1f95..c95d1d3 100644
--- a/index.html
+++ b/index.html
@@ -43,7 +43,23 @@ <h3>Input</h3>
       id="input"
       style="width: calc(100% - 10px)"
       rows="10"
-    ></textarea>
+>Sample message.
+#sampleHashtag
+https://example.com/example
+example@example.com
+/example_bot_command
+
+The ones below only work in Markdown mode:
+
+[Example LabeledLink](https://example.com)
+Sample __bold text__
+**Sample bold _and italics and ~~StrikeThrough and [link and `InlineCode`](https://example.com)~~_ text**
+
+```python
+print("And, of course")
+print("A code block")
+```
+</textarea>
     <label for="parse_mode">Mode: </label>
     <select name="parse_mode" id="parse_mode">
       <option value="text">TEXT Only</option>