Update todo.md

journal/todo.md

@@ -5,7 +5,7 @@
 	- Fix bug with separators. ✔
 	- Add option to cli to select which type of inequalities to be included. ✔
 * Implement different type of constraints. 
-	- _Solving the Maximum-Weight Connected Subgraph Problem to Optimality_ ✗ (moved to backlog)
+	- _Solving the Maximum-Weight Connected Subgraph Problem to Optimality_ ❌ (moved to backlog)
 	- _Solving the Connected Dominating Set Problem and Power Dominating Set Problem by Integer Programming_ ✔
 	    - Only one type of constraints  which performed best in this paper. Performs bad on our graphs.