diff --git a/mo/web/org_users.py b/mo/web/org_users.py
index daa72af211f25342b955f5d33c161ed5a4422f0f..e55bb7f46a5c69cf9178ce39dc84def02b93f370 100644
--- a/mo/web/org_users.py
+++ b/mo/web/org_users.py
@@ -241,7 +241,7 @@ class FormAddRole(FlaskForm):
     place = mo_fields.Place()
     year = wtforms.IntegerField('Ročník', validators=[validators.Optional()])
     category = wtforms.StringField("Kategorie", validators=[validators.Length(max=2)], filters=[lambda x: x or None])
-    seq = wtforms.IntegerField("Kolo", validators=[validators.Optional()])
+    seq = wtforms.IntegerField("Kolo", render_kw={"placeholder": "Pořadí kola v kategorii"}, validators=[validators.Optional()])
 
     submit = wtforms.SubmitField('Přidat roli')
 
diff --git a/mo/web/templates/org_org.html b/mo/web/templates/org_org.html
index 4f9baba97685bad99b6d220ad08df5149daef773..dfeb3a28b22dece4efdcf13e46c6a09a84a4dc35 100644
--- a/mo/web/templates/org_org.html
+++ b/mo/web/templates/org_org.html
@@ -66,7 +66,7 @@ Podobně <code>S</code> znamená všechny středoškolské kategorie <code>A</co
 <table class="data full">
 	<thead>
 		<tr>
-			<th>Role<th>Oblast<th>Ročník<th>Kategorie<th>Kolo<th>Přidělil<th>Akce
+			<th>Role<th>Oblast<th>Ročník<th>Kategorie<th class='has-tip' title='Pořadí kola v kategorii'>Kolo<th>Přidělil<th>Akce
 		</tr>
 	</thead>
 {% for role in user.roles %}
diff --git a/mo/web/templates/org_place_rights.html b/mo/web/templates/org_place_rights.html
index 7664ec0d55a84f9186b84ca2eaced16cbf8ee293..22505de047e20e161449d80c7fefc3007b757205 100644
--- a/mo/web/templates/org_place_rights.html
+++ b/mo/web/templates/org_place_rights.html
@@ -11,7 +11,7 @@
 		<th>Jméno
 		<th>Roč.
 		<th>Kat.
-		<th>Kolo
+		<th class='has-tip' title='Pořadí kola v kategorii'>Kolo
 		<th>Zdroj
 	</thead>
 	{% for role in roles %}