Refactor page titles and subtitles for consistency and clarity across various PDF conversion tools

src/pages/alternate-merge.html

@@ -132,11 +132,10 @@
           class="text-2xl font-bold text-white mb-2"
           data-i18n="tools:alternateMix.name"
         >
-          Alternate Merge Free Online - Combine PDFs Instantly
+          Alternate & Mix Pages
         </h1>
         <p class="text-gray-400 mb-6" data-i18n="tools:alternateMix.subtitle">
-          Upload multiple PDFs and interleave their pages. Drag to reorder the
-          files, then mix their pages alternately.
+          Merge PDFs by alternating pages from each PDF. Preserves Bookmarks.
         </p>
 
         <div