Fixed error on the website (tnx. Avriche) [#CLICKHOUSE-3]

website/index.html

@@ -413,9 +413,9 @@ clickhouse-client
 
     <h2 id="contacts">Contacts</h2>
     <ul class="dashed">
-        <li>Subscribe on <a href="https://yandex.com/blog/clickhouse"
+        <li>Subscribe to the <a href="https://yandex.com/blog/clickhouse"
                             rel="external nofollow" target="_blank">official ClickHouse blog</a>
-        and it's <a href="https://yandex.ru/blog/clickhouse"
+        and its <a href="https://yandex.ru/blog/clickhouse"
                     rel="external nofollow" target="_blank">counterpart in Russian</a>.</li>
         <li>Ask any questions on <a href="https://stackoverflow.com/questions/tagged/clickhouse"
                                     rel="external nofollow" target="_blank">Stack Overflow</a> or