Update doc/manual/team.rst

Co-authored-by: Nicky Gerritsen <github@accounts.nickygerritsen.nl>

Author: vmcj

doc/manual/team.rst

@@ -86,7 +86,7 @@ Overview of the interface
 .. figure:: team-problemset.png
    :width: 80%
 
-   The problem set webpage.
+   The problemset webpage.
 
 .. raw:: pdf