diff --git a/docs/api/actions/actionability-guide.mdx b/docs/api/actions/actionability-guide.mdx
index 7aa81da3a3..bb3ae385ab 100644
--- a/docs/api/actions/actionability-guide.mdx
+++ b/docs/api/actions/actionability-guide.mdx
@@ -1,6 +1,7 @@
 ---
 title: Actionability Guide
 sidebar_position: 10
+sidebar_class_name: sidebar-guide-ref
 ---
 
 import { Redirect } from '@docusaurus/router'
diff --git a/docs/api/assertions/assertions-reference.mdx b/docs/api/assertions/assertions-reference.mdx
index 2606d9a5f5..36a892cb0f 100644
--- a/docs/api/assertions/assertions-reference.mdx
+++ b/docs/api/assertions/assertions-reference.mdx
@@ -1,6 +1,7 @@
 ---
 title: Assertions Reference
 sidebar_position: 10
+sidebar_class_name: sidebar-guide-ref
 ---
 
 import { Redirect } from '@docusaurus/router'
diff --git a/src/css/sidebar.scss b/src/css/sidebar.scss
index 533c2018ef..efe6c0c0bb 100644
--- a/src/css/sidebar.scss
+++ b/src/css/sidebar.scss
@@ -30,3 +30,8 @@
 .menu__link--sublist:after {
   background: var(--ifm-menu-link-sublist-icon) 50%/1.7rem 1.7rem;
 }
+
+// helps delineate different refs in sidebar, particularly in API section
+.theme-doc-sidebar-item-link.theme-doc-sidebar-item-link-level-2.menu__list-item.sidebar-guide-ref {
+  font-weight: 600;
+}
\ No newline at end of file