diff --git a/docs/Äquivalenzklassen.md b/docs/Äquivalenzklassen.md
index 15d6ca6..83f7ba7 100644
--- a/docs/Äquivalenzklassen.md
+++ b/docs/Äquivalenzklassen.md
@@ -1,4 +1,4 @@
-#Äquivalenzklassen
+#Equivalent
 
 ### Text.java Index method
 
diff --git a/src/TextLogik.java b/src/TextLogik.java
index 102e0b8..09e006b 100644
--- a/src/TextLogik.java
+++ b/src/TextLogik.java
@@ -1,5 +1,3 @@
-import java.util.ArrayList;
-
 public class TextLogik {
     private final Text text;
     private final TextOutput textOutput;
@@ -19,12 +17,10 @@ public class TextLogik {
 
             switch (command[0]) {
                 case "ADD":
-
                     if (command.length == 1) {
                         text.add(TextInput.getTextInput());
                     } else if (isNumeric(command[1])) {
                         int line = Integer.parseInt(command[1]);
-
                         text.add(line, TextInput.getTextInput());
                     } else {
                         textOutput.errorInvalidCommand();
@@ -57,7 +53,7 @@ public class TextLogik {
 
                     break;
                 case "INDEX":
-                    ArrayList<String> Index = text.index();
+                    textOutput.IndexOutput(text.index());
                     break;
                 case "PRINT":
 
@@ -94,4 +90,12 @@ public class TextLogik {
         return str.matches("\\d+");
     }
 
+    private void checkIfSuccess(boolean method) {
+        if(method) {
+            textOutput.UserInfoOutput("Command was successfully");
+        }else {
+            textOutput.errorInvalidParagraph();
+        }
+    }
+
 }