diff --git a/3-Domain/src/main/java/category/Category.java b/3-Domain/src/main/java/category/Category.java
index b4404fa..0739a3a 100644
--- a/3-Domain/src/main/java/category/Category.java
+++ b/3-Domain/src/main/java/category/Category.java
@@ -7,10 +7,10 @@ package category;
  */
 public class Category {
 
-	private CategoryName name;
-	private CategoryId id;
+	private final CategoryName name;
+	private final CategoryId id;
 
-	public Category(CategoryName name, CategoryId id) {
+	public Category(final CategoryName name, final CategoryId id) {
 		this.name = name;
 		this.id = id;
 	}
diff --git a/3-Domain/src/main/java/category/CategoryName.java b/3-Domain/src/main/java/category/CategoryName.java
index 1f69c47..48857c6 100644
--- a/3-Domain/src/main/java/category/CategoryName.java
+++ b/3-Domain/src/main/java/category/CategoryName.java
@@ -5,6 +5,7 @@ import exeptions.IllegalValueObjectArgument;
 import java.util.Objects;
 
 public class CategoryName {
+
 	private final String name;
 
 	public String getName() {
@@ -21,7 +22,7 @@ public class CategoryName {
 			throw new IllegalValueObjectArgument("A Category name can not be null.");
 		}
 
-		if (name.isBlank() || name.isEmpty() || name.length() < 3) {
+		if (name.isBlank() || name.length() < 3) {
 			throw new IllegalValueObjectArgument("A Category name must be a valid string of at least 3 characters.");
 		}
 	}