Update README.md

Fix spelling mistake

Co-authored-by: Claus Vium <cvium@users.noreply.github.com>

README.md

@@ -167,4 +167,4 @@ switch `--nowebclient` or the environment variable `JELLYFIN_NOWEBCONTENT=true`.
 
 Since this is a common scenario, there is also a separate launch profile defined for Visual Studio called `Jellyfin.Server (nowebcontent)` that can be selected from the 'Start Debugging' dropdown in the main toolbar.
 
-**NOTE:** The setup wizard can not be run if the web client is hosted seperately.
+**NOTE:** The setup wizard can not be run if the web client is hosted separately.