diff --git a/app/views/pages/accessibility.html.erb b/app/views/pages/accessibility.html.erb
index 197885370..de5e64277 100644
--- a/app/views/pages/accessibility.html.erb
+++ b/app/views/pages/accessibility.html.erb
@@ -19,6 +19,7 @@
 
   <div class="small-12 medium-6">
     <table>
+      <caption class="sr-only">Atajos de teclado para el menú de navegación</caption>
       <thead>
         <tr>
           <th class="text-center">Tecla</th>
@@ -54,6 +55,7 @@
 
   <div class="small-12 medium-6">
     <table>
+      <caption class="sr-only">Combinación de teclas dependiendo del sistema operativo y navegador</caption>
       <thead>
         <tr>
           <th>Navegador</th>