Fix project page to use correct link to DOI

Motivation:

Links for projects are currently broken.

Modification:

Fix simple typo.

Result:

Projects acronym links to corresponding DOI.

current-work.html

@@ -38,7 +38,7 @@ The projects in which members of our group are or have been involved are listed
     {% for project in site.data.projects %}
       <tr>
         <td>
-          <a href="https://doi.org/{{ project.doi }}">{{ project.acronym }}</a> ({{ project.startDate | date: "%Y" }} - {{ project.endDate | date: "%Y" }})
+          <a href="https://doi.org/{{ project.grantDoi }}">{{ project.acronym }}</a> ({{ project.startDate | date: "%Y" }} - {{ project.endDate | date: "%Y" }})
         </td>
         <td class="justify">{{ project.teaser }}</td>
         <td class="nowrap">