feat: update system requirements for macOS downloads

Author: teetow

src/pages/download/mac.astro

@@ -19,13 +19,16 @@ const { mac, version } = audacityReleases;
   <h3>About these downloads</h3>
   <h4 class="mt-4 md:mt-8">System requirements</h4>
   <p class="mt-2">
-    Audacity is tested on macOS 14 & 15, and may also work on any OS X version
-    released after and including OS X 10.9 Mavericks. Both Intel (x86_64) and
-    Apple Silicon (ARM 64) versions are available, as well as a universal
-    binary. There are no specific CPU or GPU requirements.</p>
-    <p class="mt-2">
-    Mac OS X 10.14 and earlier don't support the universal dmg. Use the Intel-only dmg instead.</p>
-    <p class="mt-2">
+    Audacity is tested on macOS 14 & 15, and may also work on any macOS release
+    from macOS 10.11 El Capitan onward. Both Intel (x86_64) and Apple Silicon
+    (ARM 64) versions are available, as well as a universal binary. There are no
+    specific CPU or GPU requirements.
+  </p>
+  <p class="mt-2">
+    macOS 10.14 and earlier don't support the universal dmg. Use the Intel-only
+    dmg instead.
+  </p>
+  <p class="mt-2">
     <strong>Note:</strong> Audacity requires fast, uninterrupted access to a hard
     drive or SSD to operate. Network storage, consumer-grade external hard drives
     or USB thumbdrives may be unreliable.