diff --git a/by-language.md b/by-language.md
index 64f83d6..d3c07f7 100644
--- a/by-language.md
+++ b/by-language.md
@@ -1971,7 +1971,7 @@
 - [phpmetrics/PhpMetrics](https://github.com/phpmetrics/PhpMetrics) - Beautiful and understandable static analysis tool for PHP
 - [froxlor/Froxlor](https://github.com/froxlor/Froxlor) - The server administration software for your needs - The official Froxlor development Git repository
 - [PhotoBackup/server-php](https://github.com/PhotoBackup/server-php) - The PHP PhotoBackup server implementation
-- [mledoze/countries](https://github.com/mledoze/countries) - World countries in JSON, CSV, XML and Yaml. Any help is welcome!
+- [mledoze/countries](https://github.com/mledoze/countries) - World countries in JSON, YAML, CSV and XML. Any help is welcome!
 - [danielmewes/php-rql](https://github.com/danielmewes/php-rql) - A PHP client driver for the RethinkDB query language (ReQL).
 - [PHPMailer/PHPMailer](https://github.com/PHPMailer/PHPMailer) - The classic email sending library for PHP
 - [thebuggenie/thebuggenie](https://github.com/thebuggenie/thebuggenie) - The Bug Genie was a friendly project management and issue tracking tool, now replaced by Pachno