diff --git a/c3l_membership/templates/index.html b/c3l_membership/templates/index.html
--- a/c3l_membership/templates/index.html
+++ b/c3l_membership/templates/index.html
@@ -74,7 +74,7 @@
             </div>
             <div class="pure-g">
               <div class="pure-u-1-1">
-                <b>{{ form.membership.label }}</b>
+                <h3>{{ form.membership.label }}</h3>
                 {% for option in form.membership %}
                   <label for="{{ option.id }}" class="pure-radio pure-u-1-1">
                     {{ option() }} {{ option.label.text }}
@@ -91,13 +91,8 @@
                       {{ form.starving }} {{ form.starving.label.text|safe}}
                     </label>
                   </div>
-                  <div class="pure-u-1-1">
-                    <label for="{{ form.minor_member.id }}" class="pure-checkbox">
-                      {{ form.minor_member }} {{ form.minor_member.label.text|safe}}
-                    </label>
-                  </div>
                 </div>
-                <h3>{% trans %}What's difference between the different membership options?{% endtrans %}</h3>
+                <h4>{% trans %}What's difference between the different membership options?{% endtrans %}</h4>
                 <p>{% trans %}All the options include to following benefits:{% endtrans %}</p>
                 <ul>
                   <li>{% trans %}Access to the <a href="https://wiki.c3l.lu/doku.php?id=organization:membership#benefits">services</a> run by us{% endtrans %}</li>
@@ -109,15 +104,15 @@
                     <li>{% trans %}Access to our internal mailinglist{% endtrans %}</li>
                   </ul>
                   <p>{% trans %}You can read more on the membership <a href="https://wiki.c3l.lu/doku.php?id=organization:membership">here</a>.{% endtrans %}</p>
-                  <h3>{% trans %}What are the membership fees?{% endtrans %}</h3>
+                  <h4>{% trans %}What are the membership fees?{% endtrans %}</h4>
                   <p>{% trans regular_fee=config["REGULAR_FEE"], supporting_fee=config["SUPPORTING_FEE"] %}The membership fee for the regular membership is {{ regular_fee }}€ per year. The membership fee for the supporting membership is {{ supporting_fee }}€ per year. If you are a student, all membership fees are {{ supporting_fee }}€ per year. For that please select the corresponding option.{% endtrans %}</p>
-                  <h3>{% trans %}I cannot afford the membership?{% endtrans %}</h3>
+                  <h4>{% trans %}I cannot afford the membership?{% endtrans %}</h4>
                   <p>{% trans %}If you cannot afford the membership, please contact us via info@c3l.lu first, before filling out the membership form. We will try to find a solution together.{% endtrans %}</p>
                 </div>
                 </div>
                 <div class="pure-g">
                   <div class="pure-u-1-1">
-                    <b>{{ form.payment.label }}</b>
+                    <h3>{{ form.payment.label }}</h3>
                     {% for option in form.payment %}
                       <label for="{{ option.id }}" class="pure-radio pure-u-1-1">
                         {{ option() }} {{ option.label.text }}
@@ -125,13 +120,21 @@
                     {% endfor %}
                   </div>
                 </div>
-                <legend>{% trans %}Additional information{% endtrans %}</legend>
                 <div class="pure-g">
                   <div class="pure-u-1-1">
                     <b>{{ form.birthday.label }}</b>
                     {{ form.birthday(class="pure-input-1 field-error" if form.birthday.errors else "pure-input-1") }}
                   </div>
+                  <div class="pure-u-1-1">
+                    <h4>{% trans %}Why do you ask for the birthday?{% endtrans %}</h4>
+                    <p>{% trans %}This information helps us with a few different things:{% endtrans %}</p>
+                    <ul>
+                      <li>{% trans %}We need to know if you are underage. If so your legal representatives needs to sign this membership application.{% endtrans %}</li>
+                      <li>{% trans %}We ask the city of Luxembourg every year for a financial grant and they ask how many members we have over the age of 26 and how many under the age of 26.{% endtrans %}</li>
+                    </ul>
+                  </div>
                 </div>
+                <legend>{% trans %}Additional information (Optional){% endtrans %}</legend>
                 <div class="pure-g">
                   <div class="pure-u-1-1">
                     <b>{{ form.street.label }}</b>