diff --git a/src/edu/kit/informatik/cardgame/ui/CommandLine.java b/src/edu/kit/informatik/cardgame/ui/CommandLine.java
index 63d311d..3742d4b 100644
--- a/src/edu/kit/informatik/cardgame/ui/CommandLine.java
+++ b/src/edu/kit/informatik/cardgame/ui/CommandLine.java
@@ -22,7 +22,7 @@ public final class CommandLine {
      * Utility class -> private constructor.
      */
     private CommandLine() {
-        
+
     }
 
     /**
@@ -30,11 +30,11 @@ public final class CommandLine {
      */
     public static void startInteractive() {
         // create a new simulation
-        CardGame simulation = new CardGame();
+        final CardGame simulation = new CardGame();
         boolean lost = false;
         // accept user input indefinitely
         while (true) {
-            String input = Terminal.readLine();
+            final String input = Terminal.readLine();
 
             // handle quit command
             if (input.startsWith(QUIT)) {