[chore] Preferences: Fix grammatical error in results_on_new_tab.html (#4909)

searx/templates/simple/preferences/results_on_new_tab.html

@@ -1,5 +1,5 @@
 <fieldset>{{- '' -}}
-  <legend id="pref_results_on_new_tab">{{ _('Results on new tabs') }}</legend>{{- '' -}}
+  <legend id="pref_results_on_new_tab">{{ _('Results in new tabs') }}</legend>{{- '' -}}
   <p class="value">{{- '' -}}
     <input type="checkbox" {{- ' ' -}}
            name="results_on_new_tab" {{- ' ' -}}
@@ -11,6 +11,6 @@
            >{{- ' ' -}}
   </p>{{- '' -}}
   <div class="description">
-    {{- _('Open result links on new browser tabs') -}}
+    {{- _('Open result links in new browser tabs') -}}
   </div>{{- '' -}}
 </fieldset>{{- '' -}}