Fix typo

presentations/project-overview/project-overview.tex

@@ -193,7 +193,7 @@
                 \node [lane,minimum height=6.4cm,below of=lane2,anchor=north,yshift=7.5mm] {};
 
                 \node (proc3) [process,right of=dec1,xshift=4cm] {Matriculation at partner university};
-                \node (proc4) [process,below of=proc3] {Sell-enroll in course};
+                \node (proc4) [process,below of=proc3] {Self-enroll in course};
                 \node (stop2) [stop,below of=proc4] {};
 
                 \draw [arrow] (start) -- (proc1);