diff --git a/tienda/templates/tienda/emails/register.html b/tienda/templates/tienda/emails/register.html
index fe51f56..d76a5a6 100644
--- a/tienda/templates/tienda/emails/register.html
+++ b/tienda/templates/tienda/emails/register.html
@@ -1,11 +1,11 @@
 <table width="100%" border="0" cellspacing="0" cellpadding="0">
     <tr>
-        <td align="center" style="padding: 20px;">
+        <th scope="col" align="center" style="padding: 20px;">
             <table width="600" border="0" cellspacing="0" cellpadding="0" style="border: 1px solid #eeeeee; background-color: #ffffff;">
                 <tr>
-                    <td align="center" style="background-color: #007bff; padding: 40px;">
+                    <th scope="col" align="center" style="background-color: #007bff; padding: 40px;">
                         <h1 style="color: #ffffff; font-family: sans-serif; margin: 0;">¡Hola {{ name }}!</h1>
-                    </td>
+                    </th>
                 </tr>
                 <tr>
                     <td style="padding: 30px; font-family: sans-serif; line-height: 1.5; color: #444444;">
@@ -16,6 +16,6 @@
                     </td>
                 </tr>
             </table>
-        </td>
+        </th>
     </tr>
 </table>
diff --git a/tienda/templates/tienda/emails/reset_pass.html b/tienda/templates/tienda/emails/reset_pass.html
index 8041e87..cda4abf 100644
--- a/tienda/templates/tienda/emails/reset_pass.html
+++ b/tienda/templates/tienda/emails/reset_pass.html
@@ -1,11 +1,11 @@
 <table width="100%" border="0" cellspacing="0" cellpadding="0">
     <tr>
-        <td align="center" style="padding: 20px;">
+        <th scope="col" align="center" style="padding: 20px;">
             <table width="600" border="0" cellspacing="0" cellpadding="0" style="border: 1px solid #eeeeee; background-color: #ffffff;">
                 <tr>
-                    <td align="center" style="background-color: #007bff; padding: 40px;">
+                    <th scope="col" align="center" style="background-color: #007bff; padding: 40px;">
                         <h1 style="color: #ffffff; font-family: sans-serif; margin: 0;">¡Hola {{ name }}!</h1>
-                    </td>
+                    </th>
                 </tr>
                 <tr>
                     <td align="center" style="padding: 40px">
@@ -22,6 +22,6 @@
                     </td>
                 </tr>
             </table>
-        </td>
+        </th>
     </tr>
 </table>
diff --git a/tienda/templates/tienda/emails/unban.html b/tienda/templates/tienda/emails/unban.html
index c8779e3..e0239af 100644
--- a/tienda/templates/tienda/emails/unban.html
+++ b/tienda/templates/tienda/emails/unban.html
@@ -1,11 +1,11 @@
 <table border="0" cellpadding="0" style="width: 100%;">
     <tr>
-        <td align="center" style="padding: 20px;">
+        <th scope="col" align="center" style="padding: 20px;">
             <table width="600" border="0" cellspacing="0" cellpadding="0" style="border: 1px solid #eeeeee; background-color: #ffffff;">
                 <tr>
-                    <td align="center" style="background-color: #007bff; padding: 40px;">
+                    <th scope="col" align="center" style="background-color: #007bff; padding: 40px;">
                         <h1 style="color: #ffffff; font-family: sans-serif; margin: 0;">Su cuenta ha sido desbloqueada</h1>
-                    </td>
+                    </th>
                 </tr>
                 <tr>
                     <td align="center" style="padding: 40px">
@@ -22,6 +22,6 @@
                     </td>
                 </tr>
             </table>
-        </td>
+        </th>
     </tr>
 </table>
diff --git a/tienda/templates/tienda/emails/welcome.html b/tienda/templates/tienda/emails/welcome.html
index 4f12fe1..db43d69 100644
--- a/tienda/templates/tienda/emails/welcome.html
+++ b/tienda/templates/tienda/emails/welcome.html
@@ -1,11 +1,11 @@
 <table width="100%" border="0" cellspacing="0" cellpadding="0">
     <tr>
-        <td align="center" style="padding: 20px;">
+        <th scope="col" align="center" style="padding: 20px;">
             <table width="600" border="0" cellspacing="0" cellpadding="0" style="border: 1px solid #eeeeee; background-color: #ffffff;">
                 <tr>
-                    <td align="center" style="background-color: #007bff; padding: 40px;">
+                    <th scope="col" align="center" style="background-color: #007bff; padding: 40px;">
                         <h1 style="color: #ffffff; font-family: sans-serif; margin: 0;">¡Hola {{ name }}!</h1>
-                    </td>
+                    </th>
                 </tr>
                 <tr>
                     <td align="center" style="padding: 40px">
@@ -21,6 +21,6 @@
                     </td>
                 </tr>
             </table>
-        </td>
+        </th>
     </tr>
 </table>