Small clarifications to the invitation type UI

snikket_web/admin.py

@@ -284,8 +284,8 @@ class InvitePost(BaseForm):
     type_ = wtforms.RadioField(
         _l("Invitation type"),
         choices=[
-            ("account", _l("Individual")),
-            ("group", _l("Group")),
+            ("account", _l("Individual (for one person)")),
+            ("group", _l("Group (for multiple people)")),
         ],
         default="account",
     )

snikket_web/templates/admin_create_invite_form.html

@@ -7,6 +7,7 @@
 	<div class="f-ebox">
 		<fieldset>{#- -#}
 			<legend>{{ invite_form.type_.label.text }}</legend>
+			<span>{% trans %}Choose whether this invitation link will allow more than one person to join.{% endtrans %}</span>
 			{{- invite_form.type_ -}}
 		</fieldset>
 	</div>