diff --git a/src/app/components/footer/footer.component.ts b/src/app/components/footer/footer.component.ts
index 953d821..1f9e027 100644
--- a/src/app/components/footer/footer.component.ts
+++ b/src/app/components/footer/footer.component.ts
@@ -11,6 +11,6 @@ export class FooterComponent {
   constructor(@Inject(DOCUMENT) private document: Document) { }
 
   protected goToDocumentation(): void {
-    this.document.location.href = StringValues.API_SPECIFICATION;
+    this.document.location.href = StringValues.DOCUMENTATION;
   }
 }
diff --git a/src/app/shared/utils/string-values.ts b/src/app/shared/utils/string-values.ts
index 6b9689d..fdf0968 100644
--- a/src/app/shared/utils/string-values.ts
+++ b/src/app/shared/utils/string-values.ts
@@ -6,101 +6,101 @@ export const ANIMATION_DURATION = '225ms cubic-bezier(0.4, 0.0, 0.2, 1)';
  * Class containing all default values and shared URLs.
  */
 export class StringValues{
-  public static BASE_URL: string = 'http://localhost:8081';
-  public static API_SPECIFICATION: string = 'https://miguelpelegrina.github.io/java_school_online_store_documentation/';
+  public static BASE_URL = 'http://localhost:8081';
+  public static DOCUMENTATION = 'https://miguelpelegrina.github.io/java_school_online_store_documentation/';
 
   /////////////////////////////////////////////////////
   // Authentication
   /////////////////////////////////////////////////////
-  private static AUTH_URL: string = '/auth';
-  private static LOGIN_URL: string = '/login'
-  private static REGISTER_URL: string = '/register'
-  public static BASE_LOGIN_URL: string = `${this.BASE_URL}${this.AUTH_URL}${this.LOGIN_URL}`
-  public static BASE_REGISTER_URL: string = `${this.BASE_URL}${this.AUTH_URL}${this.REGISTER_URL}`
+  private static AUTH_URL = '/auth';
+  private static LOGIN_URL = '/login'
+  private static REGISTER_URL = '/register'
+  public static BASE_LOGIN_URL = `${this.BASE_URL}${this.AUTH_URL}${this.LOGIN_URL}`
+  public static BASE_REGISTER_URL = `${this.BASE_URL}${this.AUTH_URL}${this.REGISTER_URL}`
 
   /////////////////////////////////////////////////////
   // Books
   /////////////////////////////////////////////////////
-  public static BOOK_URL: string = '/books';
-  public static BASE_BOOK_URL: string = `${this.BASE_URL}${this.BOOK_URL}`;
+  public static BOOK_URL = '/books';
+  public static BASE_BOOK_URL = `${this.BASE_URL}${this.BOOK_URL}`;
 
   /////////////////////////////////////////////////////
   // Book formats
   /////////////////////////////////////////////////////
-  public static BOOK_FORMAT_URL: string = '/book_parameters_format';
-  public static BASE_BOOK_FORMAT_URL: string = `${this.BASE_URL}${this.BOOK_FORMAT_URL}`;
+  public static BOOK_FORMAT_URL = '/book_parameters_format';
+  public static BASE_BOOK_FORMAT_URL = `${this.BASE_URL}${this.BOOK_FORMAT_URL}`;
 
   /////////////////////////////////////////////////////
   // Book genres
   /////////////////////////////////////////////////////
-  public static BOOK_GENRE_URL: string = '/book_genres';
-  public static BASE_BOOK_GENRE_URL: string = `${this.BASE_URL}${this.BOOK_GENRE_URL}`;
+  public static BOOK_GENRE_URL = '/book_genres';
+  public static BASE_BOOK_GENRE_URL = `${this.BASE_URL}${this.BOOK_GENRE_URL}`;
 
   //////////////////////////////////////////////////////
   // Cities
   //////////////////////////////////////////////////////
-  public static CITIES_URL: string = '/cities';
-  public static BASE_CITY_URL: string = `${this.BASE_URL}${this.CITIES_URL}`;
+  public static CITIES_URL = '/cities';
+  public static BASE_CITY_URL = `${this.BASE_URL}${this.CITIES_URL}`;
 
   //////////////////////////////////////////////////////
   // Countries
   //////////////////////////////////////////////////////
-  public static COUNTRY_URL: string = '/countries';
-  public static BASE_COUNTRY_URL: string = `${this.BASE_URL}${this.COUNTRY_URL}`;
+  public static COUNTRY_URL = '/countries';
+  public static BASE_COUNTRY_URL = `${this.BASE_URL}${this.COUNTRY_URL}`;
 
   /////////////////////////////////////////////////////
   // Delivery methods
   /////////////////////////////////////////////////////
-  public static DELIVERY_METHODS_URL: string = '/delivery_methods';
-  public static BASE_DELIVERY_METHODS_URL: string = `${this.BASE_URL}${this.DELIVERY_METHODS_URL}`;
+  public static DELIVERY_METHODS_URL = '/delivery_methods';
+  public static BASE_DELIVERY_METHODS_URL = `${this.BASE_URL}${this.DELIVERY_METHODS_URL}`;
 
   /////////////////////////////////////////////////////
   // Order statuses
   /////////////////////////////////////////////////////
-  public static ORDER_STATUSES_URL: string = '/order_statuses';
-  public static BASE_ORDER_STATUSES_URL: string = `${this.BASE_URL}${this.ORDER_STATUSES_URL}`;
+  public static ORDER_STATUSES_URL = '/order_statuses';
+  public static BASE_ORDER_STATUSES_URL = `${this.BASE_URL}${this.ORDER_STATUSES_URL}`;
 
   /////////////////////////////////////////////////////
   // Orders
   /////////////////////////////////////////////////////
-  public static ORDER_URL: string = '/orders';
-  public static BASE_ORDER_URL: string = `${this.BASE_URL}${this.ORDER_URL}`;
+  public static ORDER_URL = '/orders';
+  public static BASE_ORDER_URL = `${this.BASE_URL}${this.ORDER_URL}`;
 
   /////////////////////////////////////////////////////
   // Payment methods
   /////////////////////////////////////////////////////
-  public static PAYMENT_METHODS_URL: string = '/payment_methods';
-  public static BASE_PAYMENT_METHODS_URL: string = `${this.BASE_URL}${this.PAYMENT_METHODS_URL}`;
+  public static PAYMENT_METHODS_URL = '/payment_methods';
+  public static BASE_PAYMENT_METHODS_URL = `${this.BASE_URL}${this.PAYMENT_METHODS_URL}`;
 
   /////////////////////////////////////////////////////
   // Payment statuses
   /////////////////////////////////////////////////////
-  public static PAYMENT_STATUS_URL: string = '/payment_statuses';
-  public static BASE_PAYMENT_STATUS_URL: string = `${this.BASE_URL}${this.PAYMENT_STATUS_URL}`;
+  public static PAYMENT_STATUS_URL = '/payment_statuses';
+  public static BASE_PAYMENT_STATUS_URL = `${this.BASE_URL}${this.PAYMENT_STATUS_URL}`;
 
   /////////////////////////////////////////////////////
   // Postal codes
   /////////////////////////////////////////////////////
-  public static POSTAL_CODE_URL: string = '/postal_codes';
-  public static BASE_POSTAL_CODE_URL: string = `${this.BASE_URL}${this.POSTAL_CODE_URL}`;
+  public static POSTAL_CODE_URL = '/postal_codes';
+  public static BASE_POSTAL_CODE_URL = `${this.BASE_URL}${this.POSTAL_CODE_URL}`;
 
   /////////////////////////////////////////////////////
   // User address
   /////////////////////////////////////////////////////
-  public static USERS_URL: string = '/users';
-  public static BASE_USER_URL: string = `${this.BASE_URL}${this.USERS_URL}`;
+  public static USERS_URL = '/users';
+  public static BASE_USER_URL = `${this.BASE_URL}${this.USERS_URL}`;
 
   /////////////////////////////////////////////////////
   // User address
   /////////////////////////////////////////////////////
-  public static USER_ADDRESSES_URL: string = '/user_addresses';
-  public static BASE_USER_ADDRESSES_URL: string = `${this.BASE_URL}${this.USER_ADDRESSES_URL}`;
+  public static USER_ADDRESSES_URL = '/user_addresses';
+  public static BASE_USER_ADDRESSES_URL = `${this.BASE_URL}${this.USER_ADDRESSES_URL}`;
 
   /////////////////////////////////////////////////////
   // Default values
   ////////////////////////////////////////////////////
-  public static DEFAULT_ORDER_STATUS_ON_ORDER: string = 'Pending payment';
+  public static DEFAULT_ORDER_STATUS_ON_ORDER = 'Pending payment';
   public static DEFAULT_PAGE_SIZE = 12;
   public static DEFAULT_PAGE_SIZE_OPTIONS = [1, 3, 6, 9, 12, 24, 36];
-  public static DEFAULT_PAYMENT_STATUS_ON_ORDER: string = 'Pending';
+  public static DEFAULT_PAYMENT_STATUS_ON_ORDER = 'Pending';
 }