Fixing one little error.
Fixing one little error.

johnb30/petrarch2,pjdufour/petrarch,Sayeedsalam/spec-petrarch2,johnb30/petrarch,openeventdata/petrarch2,openeventdata/petrarch,cnnorris/petrarch,JingL1014/petrarch2,opcoder/zh_ptr