diff --git a/src/c3nav/editor/forms.py b/src/c3nav/editor/forms.py
index 857ea64b..b2ae08bc 100644
--- a/src/c3nav/editor/forms.py
+++ b/src/c3nav/editor/forms.py
@@ -115,11 +115,13 @@ class EditorFormBase(I18nModelFormMixin, ModelForm):
                     name = 'group_'+category.name
                     initial = initial[0] if initial else ''
                     choices = (('', '---'), )+choices
-                    field = ChoiceField(label=category.title, required=False, initial=initial, choices=choices)
+                    field = ChoiceField(label=category.title, required=False, initial=initial, choices=choices,
+                                        help_text=category.help_text)
                 else:
                     name = 'groups_'+category.name
                     field = MultipleChoiceField(label=category.title_plural, required=False,
-                                                initial=initial, choices=choices)
+                                                initial=initial, choices=choices,
+                                                help_text=category.help_text)
                 self.fields[name] = field
 
         if 'category' in self.fields:
@@ -262,8 +264,8 @@ class EditorFormBase(I18nModelFormMixin, ModelForm):
 
 
 def create_editor_form(editor_model):
-    possible_fields = ['slug', 'name', 'title', 'title_plural', 'icon', 'join_edges', 'up_separate', 'walk',
-                       'ordering', 'category', 'width', 'groups', 'color', 'priority', 'icon_name',
+    possible_fields = ['slug', 'name', 'title', 'title_plural', 'help_text', 'icon', 'join_edges', 'up_separate',
+                       'walk', 'ordering', 'category', 'width', 'groups', 'color', 'priority', 'icon_name',
                        'base_altitude', 'waytype', 'access_restriction', 'height', 'default_height', 'door_height',
                        'outside', 'can_search', 'can_describe', 'geometry', 'single', 'altitude', 'short_label',
                        'origin_space', 'target_space', 'data', 'comment', 'slow_down_factor',
diff --git a/src/c3nav/mapdata/migrations/0007_location_group_help_text.py b/src/c3nav/mapdata/migrations/0007_location_group_help_text.py
new file mode 100644
index 00000000..574f090a
--- /dev/null
+++ b/src/c3nav/mapdata/migrations/0007_location_group_help_text.py
@@ -0,0 +1,26 @@
+# Generated by Django 2.1.4 on 2018-12-23 16:46
+
+import c3nav.mapdata.fields
+from decimal import Decimal
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mapdata', '0006_location_icon'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='locationgroupcategory',
+            name='help_text',
+            field=c3nav.mapdata.fields.I18nField(fallback_any=True, fallback_value='', plural_name='help_texts', verbose_name='Help text'),
+        ),
+        migrations.AlterField(
+            model_name='area',
+            name='slow_down_factor',
+            field=models.DecimalField(decimal_places=2, default=1, help_text='values of overlapping areas get multiplied!', max_digits=6, validators=[django.core.validators.MinValueValidator(Decimal('0.01'))], verbose_name='slow down factor'),
+        ),
+    ]
diff --git a/src/c3nav/mapdata/models/locations.py b/src/c3nav/mapdata/models/locations.py
index 9ab75213..17495e27 100644
--- a/src/c3nav/mapdata/models/locations.py
+++ b/src/c3nav/mapdata/models/locations.py
@@ -221,6 +221,7 @@ class LocationGroupCategory(SerializableMixin, models.Model):
     single = models.BooleanField(_('single selection'), default=False)
     title = I18nField(_('Title'), plural_name='titles', fallback_any=True)
     title_plural = I18nField(_('Title (Plural)'), plural_name='titles_plural', fallback_any=True)
+    help_text = I18nField(_('Help text'), plural_name='help_texts', fallback_any=True, fallback_value='')
     allow_levels = models.BooleanField(_('allow levels'), db_index=True, default=True)
     allow_spaces = models.BooleanField(_('allow spaces'), db_index=True, default=True)
     allow_areas = models.BooleanField(_('allow areas'), db_index=True, default=True)