diff --git a/_data/nav.yml b/_data/nav.yml
index 64f662205..69d3e7d68 100644
--- a/_data/nav.yml
+++ b/_data/nav.yml
@@ -446,31 +446,31 @@
     pages:
     - url: "#Live example"
     - url: "#Options"
-    - url: "#Registering Context Menu Sections"
-    - url: "#Defining a Context Menu Section"
+    - url: "#Registering context menu sections"
+    - url: "#Defining a context menu section"
   - url: "contexttoolbar"
     pages:
-    - url: "#Registering a Context Toolbar"
-    - url: "#Launching a Context Toolbar Programmatically"
-    - url: "#Context Toolbar Priority"
-    - url: "#Positioning Context Toolbars"
-    - url: "#Example Configuration"
+    - url: "#Registering a context toolbar"
+    - url: "#Launching a context toolbar programmatically"
+    - url: "#Context toolbar priority"
+    - url: "#Positioning context toolbars"
+    - url: "#Example configuration"
   - url: "contextform"
     pages:
-    - url: "#Registering a Context Form"
+    - url: "#Registering a context form"
     - url: "#Launch"
-    - url: "#Context Form Priority"
-    - url: "#Positioning Context Forms"
+    - url: "#Context form priority"
+    - url: "#Positioning context forms"
     - url: "#Form"
-    - url: "#Context Form buttons"
+    - url: "#Context form buttons"
     - url: "#Form API"
   - url: "toolbarbuttons"
   - url: "typesoftoolbarbuttons"
     pages:
-    - url: "#Basic Button"
-    - url: "#Toggle Button"
-    - url: "#Split Button"
-    - url: "#Menu Button"
+    - url: "#Basic button"
+    - url: "#Toggle button"
+    - url: "#Split button"
+    - url: "#Menu button"
 
 - url: "enterprise"
   pages: