1 files changed, 3 insertions, 1 deletions
diff --git a/src/semanticanalysis/SemanticError.java b/src/semanticanalysis/SemanticError.java
index 745e3fb..ac2dc4c 100644
--- a/src/semanticanalysis/SemanticError.java
+++ b/src/semanticanalysis/SemanticError.java
@@ -4,12 +4,14 @@ package semanticanalysis;
  * Class respresents a semantic error.
  */
 public class SemanticError {
-    private String msg;
+
+    private final String msg;
 
     public SemanticError(String msg) {
         this.msg = msg;
     }
 
+    @Override
     public String toString() {
         return msg;
     }