fix: fixed calendar spelling

layouts/_default/calendar.html

+{{ define "main" }}
+    <header>
+        <h2>{{ .Title }}</h2>
+        <p>{{ .Description }}</p>
+        {{ if .Site.Params.show_post_dates | default true }}
+            {{- with .Date }}<time>{{ . | time.Format ":date_medium" }}</time>{{ end }}
+        {{ end }}
+        {{ partial "tags.html" . }}
+    </header>
+    <p><b style="color:red">Kopiere</b> dir diesen <b><a href="https://cloud.h-da.de/remote.php/dav/public-calendars/DmFSSdyn5AAb6Kfp?export">Link</a></b> und füge ihn in deiner Kalender-App ein um den Kalender zu abonieren</p>
+    <iframe width="100%" height="1000" src="https://cloud.h-da.de/apps/calendar/embed/DmFSSdyn5AAb6Kfp"></iframe>
+    
+
+
+{{ end }}
\ No newline at end of file