Changed labels on three body plot

homework/ODE/Makefile

@@ -7,9 +7,9 @@ Three_body.png: path.txt Makefile
 	set output "$@";\
 	set key top left;\
 	set tics out;\
-	set xlabel "Time (days)";\
-	set ylabel "Nr. of people";\
-	set title "Basic SIR-model";\
+	set xlabel "x";\
+	set ylabel "y";\
+	set title "Stable three body configuration";\
 	set yrange [-1:1];\
 	plot\
 	"$<" using 2:3 with line title "Body 1",\