diff --git a/header.php b/header.php
index 5518b64..ebeea94 100644
--- a/header.php
+++ b/header.php
@@ -1,4 +1,4 @@
 <div id="header" class="header">
  <h1><a href="/">DAVIAC: A Relay Computer</a></h1>
- <p>Designed and built by Dr David Warren. Hillibilly1 Assembler by Dr Kym Hill. <a href="https://git.pwarren.id.au/pwarren/DAVIAC-web/">Website</a> by <a href="https://pwarren.id.au/">Paul Warren</a></p>
+ <p>Designed and built by Dr David Warren. Hillbilly1 Assembler by Dr Kym Hill. <a href="https://git.pwarren.id.au/pwarren/DAVIAC-web/">Website</a> by <a href="https://pwarren.id.au/">Paul Warren</a></p>
 </div>