diff --git a/public/docs/ts/latest/guide/setup.jade b/public/docs/ts/latest/guide/setup.jade
index a8d0244af6..38bdf8006f 100644
--- a/public/docs/ts/latest/guide/setup.jade
+++ b/public/docs/ts/latest/guide/setup.jade
@@ -137,7 +137,7 @@ a#install-node
 a#why-locally
 .l-main-section
 :marked
-  ## Appdendix: Why develop locally
+  ## Appendix: Why develop locally
 
   <live-example>Live coding</live-example> in the browser is a great way to explore Angular.