diff --git a/README.md b/README.md
index e69de29..bca003d 100644
--- a/README.md
+++ b/README.md
@@ -0,0 +1,46 @@
+#Texteditor
+Texteditor is a program to edit a text by in- and output into the console.
+#Usermanual
+#ADD a Textline
+```ADD```
+First please enter the command add to add a new textline. Then enter the text you want to add .  
+
+```ADD [n]```
+If you want to add a textline to a certain paragraph then please use the command add and then enter that paragraphnummber. 
+After that enter the text you want to add to that paragraph.
+
+#DUMMY Text
+```DUMMY```
+First please enter the command dummy to enter a pre written text into the textline.
+
+```DUMMY [n]```
+If you want to enter a pre written dummy text into a specific paragraph then please enter the command dummy and then the paragraph that you want to use.
+
+#REPLACE a Text
+```REPLACE```
+First please enter the command replace then enter the characters that you want to replace. After that please enter
+the new characters that should replace the old characters.
+
+```REPLACE [n]```
+If you want to replace a text from a certain paragraph, please enter the command replace and then enter the characters you want to
+replace. After you entered the characters you want to replace please enter now the new characters that should replace the
+old characters.
+
+#DELETE a Text
+```DEL```
+First please enter the command del to delete a text. Then please enter the text size you want to delete.
+
+```DEL [n]```
+If you want to delete a text from a certain paragraph then please enter the command del and then the paragraph that you want to delete.
+
+#INDEX
+``ÌNDEX``
+First please enter the command index to show the index.
+
+#Print the Text
+```PRINT```
+First please enter the command print to print out the current text you have.
+
+#FORMAT the Text
+```FORMAT```
+
diff --git a/src/Text.java b/src/Text.java
index f0dd6b5..3d10f53 100644
--- a/src/Text.java
+++ b/src/Text.java
@@ -25,9 +25,6 @@ public class Text {
      * @return returns true if the given paragraph exists and is added successfully
      */
     public boolean add(int paragraphNumber, String text) {
-        if(text.length() < 1) {
-            return false;
-        }
         if (paragraphExists(paragraphNumber)) {
             this.text.add((paragraphNumber - 1), text);
             return true;
@@ -42,9 +39,6 @@ public class Text {
      * @return returns true if the paragraph is added successfully
      */
     public boolean add(String text) {
-        if(text.length() < 1) {
-            return false;
-        }
         this.text.add(text.replaceAll("[^A-Za-z0-9 .,:?!\"'-]",""));
         return true;
     }
diff --git a/src/TextLogik.java b/src/TextLogik.java
index a8682c8..9bd8f88 100644
--- a/src/TextLogik.java
+++ b/src/TextLogik.java
@@ -12,21 +12,25 @@ public class TextLogik {
         textOutput = new TextOutput();
         String[] command;
 
-        textOutput.userInfoOutput("######################");
+        textOutput.userInfoOutput("#######################");
         textOutput.userInfoOutput("#WELCOME TO THE EDITOR#");
-        textOutput.userInfoOutput("######################");
+        textOutput.userInfoOutput("#######################");
         do {
             textOutput.userInfoOutput("Please enter a Command: ");
             command = TextInput.checkForInput();
 
             switch (command[0]) {
                 case "ADD":
-                    textOutput.userInfoOutput("Please enter your text: ");
+                    String inputText = "";
+                    while(inputText.length() == 0) {
+                        textOutput.userInfoOutput("Please enter your text: ");
+                        inputText = TextInput.getTextInput();
+                    }
                     if (command.length == 1) {
-                        checkIfSuccess(text.add(TextInput.getTextInput()));
+                        checkIfSuccess(text.add(inputText));
                     } else if (isNumeric(command[1])) {
                         int line = Integer.parseInt(command[1]);
-                        checkIfSuccess(text.add(line, TextInput.getTextInput()));
+                        checkIfSuccess(text.add(line, inputText));
                     } else {
                         textOutput.errorInvalidCommand();
                     }
diff --git a/src/TextOutput.java b/src/TextOutput.java
index 4b5c46e..653e050 100644
--- a/src/TextOutput.java
+++ b/src/TextOutput.java
@@ -14,7 +14,10 @@ public class TextOutput {
      * @param text the ArrayList which is then formatted into the desired output.
      */
     public void print(ArrayList<String> text) {
-        if (formatRaw) {
+        if(text.size() == 0) {
+            errorMissingText();
+        }
+        else if (formatRaw) {
             printFormated(text);
         } else {
             toFormat(text);
@@ -112,8 +115,13 @@ public class TextOutput {
      * @param index ArrayList with words and in which part they have
      */
     public void indexOutput(ArrayList<String> index) {
-        for (String word : index) {
-            System.out.println(word);
+        if(index.size() == 0) {
+            userInfoOutput("index empty");
+        }
+        else {
+            for (String word : index) {
+                System.out.println(word);
+            }
         }
     }
 
@@ -130,4 +138,11 @@ public class TextOutput {
     public void errorInvalidCommand() {
         System.err.println("Invalid Command");
     }
+
+    /**
+     * Method to give out the Error "Missing Text".
+     */
+    public void errorMissingText() {
+        System.err.println("Missing Text");
+    }
 }
diff --git a/test/TextOutputTest.java b/test/TextOutputTest.java
index 57bb624..17d72b9 100644
--- a/test/TextOutputTest.java
+++ b/test/TextOutputTest.java
@@ -17,7 +17,7 @@ class TextOutputTest {
         text.add("Virtute praecedunt, quod fere cotidianis proeliis cum Germanis contendunt, septentr ionesimmensoslongusw ordos.");
         text.add("Virtutedasjdhashdkjhakjdhakdshjkashd praecedunt, quod fere cotidianis proeliis cum");
         //text.add("ordos.");
-        //text.add("1234");
+        text.add("1234");
         text.add("12417575147517845 445264565");
         text.add("    ");
         //text.add("1eeeeeee8597389751");
diff --git a/test/TextTest.java b/test/TextTest.java
index 8091360..376dc42 100644
--- a/test/TextTest.java
+++ b/test/TextTest.java
@@ -58,8 +58,11 @@ public class TextTest {
         Assertions.assertFalse(txt.replace(3, "alt", "neu"));
         Assertions.assertTrue(txt.replace(1, "erste", "zweite"));
         Assertions.assertTrue(txt.replace("zweite", "erste"));
+        Assertions.assertTrue(txt.add("Text Text hallo Text"));
+        Assertions.assertTrue(txt.replace("Text", "Test"));
         Assertions.assertEquals("Das ist der zweite Beispiel Text.", txt.getText().get(0));
         Assertions.assertEquals("Das ist der erste Beispiel Text.", txt.getText().get(1));
+        Assertions.assertEquals("Test Test hallo Test", txt.getText().get(2));
     }
 
     /**