chore: minor wording

src/.vuepress/components/SearchPage.vue

@@ -5,7 +5,7 @@
     <p
       v-if="total > 0"
       class=""
-    >Found a total of <code class="font-weight-black">{{total}}</code> Hits for <code class="font-weight-black">[search string]</code> in <code class="font-weight-black">[Count distinct Sheets]</code> Sheets and <code class="font-weight-black">[Count distinct Manifests]</code> Manifests.</p>
+    >Found a total of <code class="font-weight-black">{{total}}</code> Hits for <code class="font-weight-black">[search string]</code> in <code class="font-weight-black">[Count distinct Sheets]</code> Sheets and <code class="font-weight-black">[Count distinct Manifests]</code> Manuscripts.</p>
     <SearchResultList :items="items" />
     <!-- #TODO: show pagination only if there is more than 1 page -->
     <div class="text-center">