diff --git a/app/src/main/java/sudoku/Sudoku.java b/app/src/main/java/sudoku/Sudoku.java
index 80ab687..06e8311 100644
--- a/app/src/main/java/sudoku/Sudoku.java
+++ b/app/src/main/java/sudoku/Sudoku.java
@@ -101,7 +101,7 @@ public class Sudoku {
 		}
 	}
 
-	public String toString (){
+	public String toString () {
 		StringBuilder sb = new StringBuilder();
 		sb.append("Sudoku {");
 		for (int i = 0; i < getSize(); i++) {
@@ -114,5 +114,4 @@ public class Sudoku {
 		sb.append("\n}");
 		return sb.toString();
 	}
-
 }