feature wording update for send mail

Author: samsonasik

README.md

@@ -21,7 +21,7 @@ Features
 - [x] Set default page (web access) or default message (console access) for error if configured 'display_errors' = 0
 - [x] Set default content when request is XMLHttpRequest via 'ajax' configuration.
 - [x] Request Information ( http method, raw data, query data, files data )
-- [x] Send Mail to listed configured email.
+- [x] Send Mail (many receivers) to listed configured email.
 
 Installation
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