diff --git a/Document-Processing/PDF/PDF-Viewer/javascript-es5/toolbar-customization/custom-toolbar.md b/Document-Processing/PDF/PDF-Viewer/javascript-es5/toolbar-customization/custom-toolbar.md
index dc16e058e..68179bbfa 100644
--- a/Document-Processing/PDF/PDF-Viewer/javascript-es5/toolbar-customization/custom-toolbar.md
+++ b/Document-Processing/PDF/PDF-Viewer/javascript-es5/toolbar-customization/custom-toolbar.md
@@ -8,7 +8,7 @@ documentation: ug
 domainurl: ##DomainURL##
 ---
 
-## Custom Toolbar
+# Custom Toolbar
 
 The PDF Viewer provides APIs for user interaction options available in its built-in toolbar. Using these, you can create your own custom user interface for toolbar actions at the application level by hiding the default toolbar.
 
diff --git a/Document-Processing/Word/Word-Processor/asp-net-core/how-to/enable-ruler-in-document-editor-component.md b/Document-Processing/Word/Word-Processor/asp-net-core/how-to/enable-ruler-in-document-editor-component.md
index f9b5d2f3d..4e2557dcf 100644
--- a/Document-Processing/Word/Word-Processor/asp-net-core/how-to/enable-ruler-in-document-editor-component.md
+++ b/Document-Processing/Word/Word-Processor/asp-net-core/how-to/enable-ruler-in-document-editor-component.md
@@ -7,7 +7,7 @@ control: Enable Ruler
 documentation: ug
 ---
 
-## How to enable ruler in ASP.NET Core Document Editor component
+# How to enable ruler in ASP.NET Core Document Editor component
 
 Using ruler we can refer to setting specific margins, tab stops, or indentations within a document to ensure consistent formatting in Document Editor.