diff --git a/tests/markdown-additional.md b/tests/markdown-additional.md
index 99c16dd6..b3bed8b1 100644
--- a/tests/markdown-additional.md
+++ b/tests/markdown-additional.md
@@ -32,3 +32,20 @@ Press <kbd>Ctrl</kbd> + <kbd>C</kbd> to copy, and <kbd>Ctrl</kbd> + <kbd>V</kbd>
 ## Custom attributes
 
 This paragraph has a red background color.{style=background-color:red}
+
+## Github alert blockquote
+
+> [!NOTE]  
+> Something to take into account
+
+> [!TIP]
+> Did you know you can do this and that
+
+> [!IMPORTANT]  
+> Crucial information here
+
+> [!WARNING]  
+> Critical content demanding immediate attention
+
+> [!CAUTION]
+> Do not do this and that!