Editing the header in Elementor can be a bit of a challenge, but there are a few ways to do it.
1. Click on the header to open the properties panel and change the text.
2. Click on the text box next to the header and type new text.
3. Click on the arrow next to the text box and select Edit Text.
4. Change the text and then click on OK.
5. Click on the arrow next to the text box and select Save.