1 files changed, 1 insertions, 1 deletions
diff --git a/cfg/CFGNode.java b/cfg/CFGNode.java
index e604753..5ce39b5 100644
--- a/cfg/CFGNode.java
+++ b/cfg/CFGNode.java
@@ -21,7 +21,7 @@ public class CFGNode {
         this.liveness = new HashSet<>();
     }
 
-    public String toString() {
+    @Override public String toString() {
         return String.format("L%d",
                              this.instruction.sourcePos.line);
     }