diff --git a/src/main/java/ab1/impl/gruppe10_aigensberger_dworski_walcher/NFAFactoryImpl.java b/src/main/java/ab1/impl/gruppe10_aigensberger_dworski_walcher/NFAFactoryImpl.java
index 78e09c8..3f06b80 100644
--- a/src/main/java/ab1/impl/gruppe10_aigensberger_dworski_walcher/NFAFactoryImpl.java
+++ b/src/main/java/ab1/impl/gruppe10_aigensberger_dworski_walcher/NFAFactoryImpl.java
@@ -3,6 +3,9 @@ package ab1.impl.gruppe10_aigensberger_dworski_walcher;
 import ab1.NFA;
 import ab1.NFAFactory;
 
+/**
+ * Implementation of NFAFactory
+ */
 public class NFAFactoryImpl implements NFAFactory {
     @Override
     public NFA buildNFA(String startState) {
diff --git a/src/test/java/ab1/tests/GRUPPE/BetterSimpleTests.java b/src/test/java/ab1/tests/GRUPPE/BetterSimpleTests.java
index 1b1e1a0..b03d037 100644
--- a/src/test/java/ab1/tests/GRUPPE/BetterSimpleTests.java
+++ b/src/test/java/ab1/tests/GRUPPE/BetterSimpleTests.java
@@ -7,6 +7,9 @@ import org.junit.jupiter.api.Test;
 
 import static org.junit.jupiter.api.Assertions.*;
 
+/**
+ * Simple tests for the NFA implementation.
+ */
 public class BetterSimpleTests {
     private final NFAFactory factory = NFAProvider.provideFactory();
     @Test
diff --git a/src/test/java/ab1/tests/GRUPPE/MyTests.java b/src/test/java/ab1/tests/GRUPPE/MyTests.java
index db81bbf..71116c0 100644
--- a/src/test/java/ab1/tests/GRUPPE/MyTests.java
+++ b/src/test/java/ab1/tests/GRUPPE/MyTests.java
@@ -8,6 +8,9 @@ import org.junit.jupiter.api.Test;
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
+/**
+ * This is a test class for the NFA implementation.
+ */
 public class MyTests {
     private final NFAFactory factory = NFAProvider.provideFactory();
 
@@ -24,26 +27,6 @@ public class MyTests {
         assertFalse(testInstance.acceptsWord("ba"));
     }
 
-
-
-
-
-
-    private NFA buildCharStarLanguage(char c) {
-        var instance = factory.buildNFA("START");
-        instance.addTransition(
-                Transition.builder()
-                        .fromState("START")
-                        .readSymbol(c)
-                        .toState("START")
-                        .build()
-        );
-        instance.addAcceptingState("START");
-        instance.finalizeAutomaton();
-
-        return instance;
-    }
-
     private NFA buildCharLanguage(char c) {
         var instance = factory.buildNFA("START");
         instance.addTransition(