beremiz

Update README.md
wxPython4
2022-10-20, etisserant
08a078a04f95
Update README.md

use back quote instead of simple quote for quoted strings.
<?xml version='1.0' encoding='utf-8'?>
<MemoryArea xmlns:xsd="http://www.w3.org/2001/XMLSchema" MemoryAreaType="03 - Holding Registers" Nr_of_Channels="1"/>