diff --git a/download.php b/download.php
--- a/download.php
+++ b/download.php
@@ -14,7 +14,7 @@
 <ul>
 <li><?php i18n("For GNU/Linux and the BSDs use the package manager to find the Okular package (might be part of the broader kdegraphics package) and install it.")?></li>
 <li><?php i18n("For Windows have a look at the <a href='http://windows.kde.org/'>KDE on Windows Initiative</a> webpage for information on how to install KDE on Windows. There are <a href='https://binary-factory.kde.org/job/Okular_Nightly_win32/'>experimental nightly builds</a> as well. Please test and send patches.")?></li>
-<li><?php i18n("For Mac Os X have a look at the <a href='http://mac.kde.org/'>KDE on Mac OS X</a> webpage for information on how to install KDE on Mac OS X.")?></li>
+<li><?php i18n("For macOS have a look at the <a href='http://mac.kde.org/'>KDE on macOS</a> webpage for information on how to install KDE on macOS.")?></li>
 </ul>
 
 <a href="https://repology.org/metapackage/okular/versions"><img src="https://repology.org/badge/vertical-allrepos/okular.svg" alt="<?php i18n("Packaging status")?>"></a>
diff --git a/index.php b/index.php
--- a/index.php
+++ b/index.php
@@ -13,7 +13,7 @@
 </div>
 
 <p>
-<?php print i18n_var("Okular is a universal document viewer developed by <a href='%1'>KDE</a>. Okular works on multiple platforms, including but not limited to Linux, Windows, Mac OS X, *BSD, etc.", "https://www.kde.org/")?>
+<?php print i18n_var("Okular is a universal document viewer developed by <a href='%1'>KDE</a>. Okular works on multiple platforms, including but not limited to Linux, Windows, macOS, *BSD, etc.", "https://www.kde.org/")?>
 <br /><br />
 <?php print i18n_var("The last stable release is Okular %1, shipped as part of the <a href='%2'>KDE Applications %3 release</a>.", "1.6", "https://www.kde.org/announcements/announce-applications-18.12.0.php", "18.12")?>
 </p>