diff --git a/plinth/modules/sogo/manifest.py b/plinth/modules/sogo/manifest.py
index ed0cb11d1..9e1e0a0c6 100644
--- a/plinth/modules/sogo/manifest.py
+++ b/plinth/modules/sogo/manifest.py
@@ -70,7 +70,7 @@ backup = {
 tags = [
     _('Webmail'),
     _('Groupware'),
-    _('Calender'),
+    _('Calendar'),
     _('Address book'),
     _('CalDAV'),
     _('CardDAV')