DisplayTitle is different

https://www.semantic-mediawiki.org/wiki/Thread:Help_talk:Eventcalendar_format/Eventcalendar_with_Semantic_Title

{{#set_recurring_event:some            
 |property=has date          
 |Has page=EventsUsingDisplayTitle
 |Has text=Simple recurring events text
 |start=June 8, 2010                                     
 |unit=day                             
 |period=1             
 |limit=10      
 |duration=7200
 |include=March 16, 2010;March 23, 2010|+sep=;
 |exclude=March 15, 2010;March 22, 2010|+sep=;
}}

{{#ask: [[Has page::EventsUsingDisplayTitle]]
 |?Has text
 |?Has date
 |limit=5
 |format=eventcalendar
 |start=latest
}}

{{DISPLAYTITLE:DisplayTitle is different}}