Spelling of the proper noun TYPO3 from lowercase to uppercase (#89)

Author: npoggenburg

README.md

@@ -182,7 +182,7 @@ Please see [Browsersync documentation](https://browsersync.io/docs) for more det
 This error usually occurs when the watcher server is not running.
 Run `ddev browsersync` to start the server.
 
-### Typo3 No site configuration found / 404 Error
+### TYPO3 No site configuration found / 404 Error
 
 Solution: The base URL (`base` in the TYPO3 site's `config.yaml` (like `config/sites/main/config.yaml` should specify `http` even though the frontend is configured for `https`. This can also be solved by commenting out the default `base` line.
 ```yaml