diff --git a/hugo.toml b/hugo.toml
index 7e051f0f..46917ea6 100644
--- a/hugo.toml
+++ b/hugo.toml
@@ -128,6 +128,7 @@ github_branch= "master"
 # Google Custom Search Engine ID. Remove or comment out to disable search.
 gcs_engine_id = "f475448a7bc1d43a4"
 # Layer5 search engine link https://cse.google.com/cse?cx=f475448a7bc1d43a4
+# Customization link https://programmablesearchengine.google.com/controlpanel/lookandfeel?cx=f475448a7bc1d43a4
 
 # Enable Algolia DocSearch
 algolia_docsearch = false