diff --git a/doc/modules/ROOT/nav.adoc b/doc/modules/ROOT/nav.adoc
index 1497ffd4c..72c9aabf9 100644
--- a/doc/modules/ROOT/nav.adoc
+++ b/doc/modules/ROOT/nav.adoc
@@ -22,8 +22,7 @@
 ** xref:examples/file-router.adoc[]
 ** xref:examples/router.adoc[]
 ** xref:examples/sanitize.adoc[]
-* Reference
-** xref:reference.adoc[Index]
+* xref:reference.adoc[Reference]
 ** Concepts
 *** xref:concepts/CharSet.adoc[]
 *** xref:concepts/Rule.adoc[]