Minor changes

src/main/java/com/jesuspinar/miobjeto/serializable/Main.java

@@ -18,10 +18,12 @@ public class Main {
         data.add(new Person("Jorge", 2));
         data.add(new Person("Pepe", 89));
 
-        boolean isWrited = ObjWriter.write(data,file);
+        //Check writing
+        boolean isWritten = ObjWriter.write(data,file);
 
+        //Test serialization
         People dat = null;
-        if (isWrited) {
+        if (isWritten) {
             dat = (People) ObjReader.read(file);
         }
         if (dat != null){