Update content of files

data/web/corefork.telegram.org/api/config.html

@@ -693,7 +693,7 @@ A full list of these parameters can be seen in the <a href="#client-configuratio
 <li><code>"PREMIUM_ANNUAL"</code> - Suggests the user to subscribe to Telegram Premium (with annual payments)</li>
 <li><code>"PREMIUM_UPGRADE"</code> - Suggests the user to upgrade their existing Premium subscription from monthly payments to annual payments</li>
 <li><code>"PREMIUM_RESTORE"</code> - Suggests the user to restore a recently expired Premium subscription</li>
-<li><code>"PREMIUM_CHRISTMAS"</code> - Suggests the user to <a href="/api/premium#gifting-telegram-premium">gift Telegram Premium</a> subscription to friends for Christmas.</li>
+<li><code>"PREMIUM_CHRISTMAS"</code> - Suggests the user to <a href="/api/premium#gifting-telegram-premium">gift Telegram Premium</a> subscriptions to friends for Christmas.</li>
 <li><code>"PREMIUM_GRACE"</code> -  Suggests the user to extend their expiring Telegram Premium subscription</li>
 <li><code>"BIRTHDAY_SETUP"</code> - Suggests the user to set a <a href="/api/profile#birthday">birthday »</a>.</li>
 </ul>

data/web/corefork.telegram.org/api/layers.html

@@ -71,7 +71,7 @@
 </ul>
 <p>The following new <a href="/api/config#suggestions">suggestions »</a> were added:</p>
 <ul>
-<li><code>"PREMIUM_CHRISTMAS"</code> - Suggests the user to <a href="/api/premium#gifting-telegram-premium">gift Telegram Premium</a> subscription to friends for Christmas.</li>
+<li><code>"PREMIUM_CHRISTMAS"</code> - Suggests the user to <a href="/api/premium#gifting-telegram-premium">gift Telegram Premium</a> subscriptions to friends for Christmas.</li>
 <li><code>"PREMIUM_GRACE"</code> - Suggests the user to extend their expiring Telegram Premium subscription</li>
 </ul>
 <p>This layer introduces <a href="/api/factcheck">fact-checks »</a>, <a href="/api/stars">Telegram Stars</a> and <a href="/constructor/messageEntityBlockquote">collapsible message quotes »</a>.</p>