fix typo in README comment

README.md

@@ -61,7 +61,7 @@ if (recved < 0) {
 }
 
 /* Start up / continue the parser.
- * Note we pass recved==0 to signal that EOF has been recieved.
+ * Note we pass recved==0 to signal that EOF has been received.
  */
 nparsed = http_parser_execute(parser, &settings, buf, recved);