Minor changes

src/main/java/de/kneitzel/Greeting.java

@@ -2,7 +2,6 @@ package de.kneitzel;
 
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
-
 /**
  * Simple Greeting class for some demonstration.
  */

src/main/java/de/kneitzel/JavaApp.java

@@ -8,7 +8,7 @@ import org.jetbrains.annotations.NotNull;
 public final class JavaApp {
 
     /**
-     * Provate Constructor - we never create an instance!
+     * Private Constructor - we never create an instance!
      */
     private JavaApp() {}