diff --git a/doc/modules/ROOT/nav.adoc b/doc/modules/ROOT/nav.adoc
index f16ca9af5..1497ffd4c 100644
--- a/doc/modules/ROOT/nav.adoc
+++ b/doc/modules/ROOT/nav.adoc
@@ -14,10 +14,6 @@
 ** xref:grammar/combinators.adoc[]
 ** xref:grammar/range.adoc[]
 ** xref:grammar/rfc3986.adoc[]
-* Concepts
-** xref:concepts/CharSet.adoc[]
-** xref:concepts/Rule.adoc[]
-** xref:concepts/StringToken.adoc[]
 * Examples
 ** xref:examples/qrcode.adoc[]
 ** xref:examples/finicky.adoc[]
@@ -26,5 +22,10 @@
 ** xref:examples/file-router.adoc[]
 ** xref:examples/router.adoc[]
 ** xref:examples/sanitize.adoc[]
-* xref:reference:boost/urls.adoc[Reference]
-* xref:HelpCard.adoc[]
+* Reference
+** xref:reference.adoc[Index]
+** Concepts
+*** xref:concepts/CharSet.adoc[]
+*** xref:concepts/Rule.adoc[]
+*** xref:concepts/StringToken.adoc[]
+** xref:HelpCard.adoc[]
diff --git a/doc/modules/ROOT/pages/reference.adoc b/doc/modules/ROOT/pages/reference.adoc
index c815158be..c482224e7 100644
--- a/doc/modules/ROOT/pages/reference.adoc
+++ b/doc/modules/ROOT/pages/reference.adoc
@@ -253,6 +253,8 @@ xref:reference:boost/urls/grammar/recycled_ptr.adoc[`recycled_ptr`]
 
 xref:reference:boost/urls/grammar/string_view_base.adoc[`string_view_base`]
 
+xref:reference:boost/urls/grammar/unsigned_rule.adoc[`unsigned_rule`]
+
 **StringToken**
 
 xref:reference:boost/urls/string_token/append_to.adoc[`append_to`]
@@ -275,10 +277,14 @@ xref:reference:boost/urls/grammar/alnum_chars.adoc[`alnum_chars`]
 
 xref:reference:boost/urls/grammar/alpha_chars.adoc[`alpha_chars`]
 
+xref:reference:boost/urls/grammar/condition.adoc[`condition`]
+
 xref:reference:boost/urls/grammar/dec_octet_rule.adoc[`dec_octet_rule`]
 
 xref:reference:boost/urls/grammar/digit_chars.adoc[`digit_chars`]
 
+xref:reference:boost/urls/grammar/error.adoc[`error`]
+
 xref:reference:boost/urls/grammar/hexdig_chars.adoc[`hexdig_chars`]
 
 xref:reference:boost/urls/grammar/not_empty_rule.adoc[`not_empty_rule`]