[readme] restore broken anchor
diff --git a/README.md b/README.md
index 8e36fb5..a4b59bf 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,7 @@
 <!-- END doctoc generated TOC please keep comment here to allow auto update -->
 
 <a id="installation-and-update"></a>
+<a id="install-script"></a>
 ## Installing and Updating
 
 ### Install & Update Script