diff --git a/_Sidebar.md b/_Sidebar.md
index 9cffd71..8ca10ae 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -27,6 +27,7 @@
   * [[Faults]]
   * [[Using HTTPS (SSL)]]
   * [[KestrelServerOptions]]
+  * [[RegexExtended]]
   * [[Development Information]]
   * [[MyGet preview versions]]
 * Errors