diff --git a/Protocol.md b/Protocol.md
index de0991c..b48d581 100644
--- a/Protocol.md
+++ b/Protocol.md
@@ -42,7 +42,7 @@ The parts are as follows:
 
  - Username should appear using a **bold** font.
  - Username should appear using a *cursive* font.
- - Username should appear __underlined__.
+ - Username should appear <u>underlined</u>.
  - A colon `:` should be displayed between the username and the message.
  - The message was sent privately, directly to the current user.