documentation completed

etherpad_to_hdoc/README.md

@@ -28,7 +28,17 @@ This module is able to convert several [etherpad](http://etherpad.org/) files (e
 	- Chat
 
 ## Known bugs
-
+Nested lists in lists are not supported
+Example : 
+`<ul>
+	<li>
+		<ul>
+			<li>
+			Never gonna give you up.
+			</li>
+		</ul>
+	</li>
+<ul>`
 ## TODO
 	- Markdown