calender -> calendar (#237)

Alexandre de Siqueira · web-flow · commit 313e222ca45b · 2022-04-06T11:45:03.000-07:00
diff --git a/content/calendars/_index.md b/content/calendars/_index.md
@@ -2,4 +2,4 @@
 title: Community Calendars 📅
 ---
 
-Subscribe from any calender software that supports ICAL by either **copying** or **downloading** the following URLs:
+Subscribe from any calendar software that supports ICAL by either **copying** or **downloading** the following URLs:
