diff --git a/viz.html b/viz.html
index c1488b0d..4e85c30e 100644
--- a/viz.html
+++ b/viz.html
@@ -39,7 +39,8 @@ div.CodeMirror {
         <p class="lead">
           Edit a C source file, and see the Z80 assembly output update in real-time.
         </p>
-        <h6>Powered by <a target="_new" href="https://twitter.com/8bitworkshop">@8bitworkshop</a> and the Small Device C Compiler.</h6>
+        <h6>Powered by <a target="_new" href="https://twitter.com/8bitworkshop">@8bitworkshop</a> and the
+        <a href="http://sdcc.sourceforge.net/">Small Device C Compiler</a>.</h6>
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       </div>