Markup inconsistencies

src/components/settings_modal/settings_modal.vue

@@ -7,9 +7,9 @@
   >
     <div class="settings-modal-panel panel">
       <div class="panel-heading">
-        <span class="title">
+        <h1 class="title">
           {{ modalMode === 'user' ? $t('settings.settings') : $t('admin_dash.window_title') }}
-        </span>
+        </h1>
         <transition name="fade">
           <div
             v-if="currentSaveStateNotice"

src/components/settings_modal/tabs/theme_tab/theme_preview.vue

@@ -3,12 +3,12 @@
     <div class="underlay underlay-preview" />
     <div class="panel dummy">
       <div class="panel-heading">
-        <div class="title">
+        <h1 class="title">
           {{ $t('settings.style.preview.header') }}
           <span class="badge -notification">
             99
           </span>
-        </div>
+        </h1>
         <span class="faint">
           {{ $t('settings.style.preview.header_faint') }}
         </span>