How do I add a text header as a module item?
You can add text to your module when you add a new item.
Open Modules

Add Content
Click the Add Item button.
Select Item Type

In the drop-down menu, select the Text Header option.
Add Text

Type the text you wish to add in the header field [1]. Open the Indentation drop-down menu and select the level of indentation for the text header [2].
Add Item

Click the Add Item button.
View Module
View the new text header in your module.
[Content retrieved from https://community.canvaslms.com/t5/Instructor-Guide/How-do-I-add-a-text-header-as-a-module-item/ta-p/1208]

