diff --git a/layouts/partials/nav/left-nav.html b/layouts/partials/nav/left-nav.html
index a833f3ca1eb4e..f36fe28db198f 100644
--- a/layouts/partials/nav/left-nav.html
+++ b/layouts/partials/nav/left-nav.html
@@ -63,7 +63,7 @@
                                         </a>
                                         {{/* 4th level, hide */}}
                                         {{ if .HasChildren }}
-                                            <ul class="list-unstyled sub-menu {{ if not (in (slice "observability_pipelines_reference_processing_language" "observability_pipelines_vector_configuration") .Identifier) }}d-none{{ end }}">
+                                            <ul class="list-unstyled sub-menu {{ if not (in (slice "automatic_instrumentation" "custom_instrumentation" "observability_pipelines_reference_processing_language" "observability_pipelines_vector_configuration") .Identifier) }}d-none{{ end }}">
                                             {{ range .Children }}
                                                 <li class="{{ if $currentPage.IsMenuCurrent "main" . }}active{{ end }} {{ if (not (or (in $excludeAsyc .Identifier) (and (in .URL "api/") (not (in .URL "_api/")) (not (in .URL "-api/"))))) }} js-load {{ end }}" >
                                                     {{ $url_without_anchor = (index (split .URL "#") 0) }}