Update README.md

2022-10-02 22:32:53 +09:00 · 2022-10-02 22:32:53 +09:00 · a90a15658b
--- a/README.md
+++ b/README.md
@ -15,7 +15,7 @@ $ git clone https://github.com/jmnote/SimpleMathJax.git
 $ git clone --recursive https://github.com/jmnote/SimpleMathJax.git
 ```

-* LocalSetting.php
+* LocalSettings.php
 ```PHP
 wfLoadExtension( 'SimpleMathJax' );
 ```