Unwanted hidden character is showing in document

Hi,

I am updating the existing document with Aspose Word. I am inserting the heading using builder.write.also adding hidden characters before and after the heading. after generating the document, which will have some unwanted hidden dots. showing below,
image.png (3.2 KB).
Can you help me to get rid of it? I am attaching the Word file as well below
test_tsample.docx (18.7 KB)

Thank you

@Gptrnt, Microsoft Word shows these dots for headings. Aspose.Words cannot control whether these dots are displayed or not. To hide these dots you should either change style of the text or click the button with the paragraph sign in Microsoft Word as shown on the screenshot below: