diff --git a/docs/src/main/asciidoc/spring-cloud-sleuth.adoc b/docs/src/main/asciidoc/spring-cloud-sleuth.adoc
index 36ab46754..eeeeb529a 100644
--- a/docs/src/main/asciidoc/spring-cloud-sleuth.adoc
+++ b/docs/src/main/asciidoc/spring-cloud-sleuth.adoc
@@ -2,6 +2,8 @@
 :github-repo: spring-cloud/spring-cloud-sleuth
 :github-raw: http://raw.github.com/{github-repo}/{github-tag}
 :github-code: http://github.com/{github-repo}/tree/{github-tag}
+:toc: left
+
 = Spring Cloud Sleuth
 
 include::intro.adoc[]