diff --git a/docs/unit-testing.md b/docs/unit-testing.md
index 054c8e502..f7adc82c7 100644
--- a/docs/unit-testing.md
+++ b/docs/unit-testing.md
@@ -1,7 +1,7 @@
 NetSurf Unit Testing
 ====================
 
-[toc]
+[TOC]
 
 # Overview