diff --git a/plugins/calendar/README b/plugins/calendar/README
index 39cd1928..6fb972ca 100644
--- a/plugins/calendar/README
+++ b/plugins/calendar/README
@@ -6,7 +6,7 @@ server as backends for calendar and event storage. For both drivers, some
 initialization of the local database is necessary. To do so, execute the
 SQL commands in drivers/<yourchoice>/SQL/<yourdatabase>.sql
 
-The client-side calendar UI relies on the 'fullcalenda'r project by Adam Arshaw
+The client-side calendar UI relies on the "fullcalendar" project by Adam Arshaw
 with extensions made for the use in Roundcube. All changes are published in
 an official fork at https://github.com/roundcube/fullcalendar