diff --git a/src/TextLogik.java b/src/TextLogik.java
index a4b8319..102e0b8 100644
--- a/src/TextLogik.java
+++ b/src/TextLogik.java
@@ -41,7 +41,7 @@ public class TextLogik {
                         textOutput.errorInvalidCommand();
                     }
                     break;
-                case "Dummy":
+                case "DUMMY":
                     text.dummy();
                     break;
                 case "EXIT":
diff --git a/src/TextOutput.java b/src/TextOutput.java
index acc9e63..1b09fd6 100644
--- a/src/TextOutput.java
+++ b/src/TextOutput.java
@@ -140,10 +140,10 @@ public class TextOutput {
     }
 
     /**
-     * Method to give out the Error "Invalid String".
+     * Method to give out the Error "Invalid Paragraph".
      */
-    public void errorInvalidInput() {
-        System.err.println("Invalid String");
+    public void errorInvalidParagraph() {
+        System.err.println("Invalid Paragraph");
     }
 
     /**