Correct typos

ref/references.md

@@ -104,7 +104,7 @@ See also the Modern language association (MLA) [Guidelines for editors of schola
 * Shaw, Ryan. "[Sketching assignment](https://aeshin.org/teaching/inls-890-186/2012/fa/assignments/#sketching)." University of North Carolina–Chapel Hill, School of Information and Library Science, INLS 890: Making the Humanities Digital, Fall 2012.
 * Siemens, Lynn. 2012. "[Issues in large-project planning and management](https://web.archive.org/web/20140606183525/https://dhsi.org/content/2012Curriculum/12.ProjectPlanning.pdf)" [PDF], Digital Humanities Summer Institute, University of Victoria.
 * Siemens, Lynn. 2016. "[Project management and the digital humanist](https://www.taylorfrancis.com/chapters/edit/10.4324/9781315707860-35/project-management-digital-humanist-lynne-siemens)," _Doing Digital Humanities: Practice, training, research_, edited by Constance Crompton, Richard Lane, and Ray Siemens, pp. 343–57. London: Routledge.
-* Schwarz, Roger. 2015. "[How to Design an Agenda for an Effective Meeting](https://hbr.org/2015/03/how-to-design-an-agenda-for-an-effective-meeting)." Harvard Business Review.
+* Schwarz, Roger. 2015. "[How to design an agenda for an effective meeting](https://hbr.org/2015/03/how-to-design-an-agenda-for-an-effective-meeting)." Harvard Business Review.
 * Varner, Stewart. 2014. "[Project charter](https://web.archive.org/web/20200204172442/https://stewartvarner.com/2014/05/project-charter/)." Stewart Varner: Scholarship, Libraries, Technology (blog).
 * Varner, Stewart. 2014. "[Project proposal form](https://web.archive.org/web/20200420145209/https://stewartvarner.com/2014/05/project-proposal-form/)." Stewart Varner: Scholarship, Libraries, Technology (blog).
 * Visual Media Workshop at the University of Pittsburgh. 2019. "[The socio-technical sustainability roadmap](http://sustainingdh.net)."