diff --git a/elections/staticdefs.py b/elections/staticdefs.py
index 73a4bcf..c643a93 100644
--- a/elections/staticdefs.py
+++ b/elections/staticdefs.py
@@ -21,3 +21,11 @@ CONNECTION_METHODS = {
 QUESTION_TYPES = [
     ("assentiment", _("Assentiment")),
 ]
+
+VOTE_RULES = {
+    "assentiment": _(
+        "Le mode de scrutin pour cette question est un vote par assentiment. "
+        "Vous pouvez donc sélectionner autant d'options que vous souhaitez. "
+        "Vous pouvez également ne sélectionner aucune option."
+    )
+}
diff --git a/elections/templates/elections/vote.html b/elections/templates/elections/vote.html
index ccf89a6..02a2d00 100644
--- a/elections/templates/elections/vote.html
+++ b/elections/templates/elections/vote.html
@@ -8,6 +8,12 @@
 <h3 class="subtitle">{% trans "Vote pour la question :" %} {{ question.text }} ({{ q_index }}/{{ q_total }})</h3>
 <hr>
 
+<div class="message is-warning">
+  <p class="message-body">
+    {{ vote_rule|safe }}
+  </p>
+</div>
+
 <div class="columns is-centered">
   <div class="column is-two-thirds">
     <form action="" method="post">
diff --git a/elections/views.py b/elections/views.py
index f37fa70..cfad80a 100644
--- a/elections/views.py
+++ b/elections/views.py
@@ -26,7 +26,7 @@ from .forms import (
 )
 from .mixins import CreatorOnlyEditMixin, CreatorOnlyMixin, OpenElectionOnlyMixin
 from .models import Election, Option, Question
-from .staticdefs import MAIL_VOTERS, QUESTION_TYPES
+from .staticdefs import MAIL_VOTERS, QUESTION_TYPES, VOTE_RULES
 from .utils import create_users, send_mail
 
 # TODO: access control *everywhere*
@@ -396,6 +396,7 @@ class VoteView(OpenElectionOnlyMixin, DetailView):
         questions = list(self.object.election.questions.all())
         context["q_index"] = questions.index(self.object) + 1
         context["q_total"] = len(questions)
+        context["vote_rule"] = VOTE_RULES[self.object.type]
         return context
 
     def get_object(self):