made OP template more obvious when referenced

config.org

@@ -1223,7 +1223,7 @@ nil)))
              :jump-to-captured t)
                 ("o" "OP-Verwaltung neuer Eintrag"
                  entry (file+datetree "p:/Eigene Dateien/Notizen/op-verwaltung.org")
-                 "* [%<%Y-%m-%d %H:%M>] %?"
+                 "* OP [%<%Y-%m-%d %H:%M>] %?"
                  :prepare-finalize (org-id-get-create)
                  :jump-to-captured t)
                 )))