diff --git a/src/Exceptions/VatSenseApiError.php b/src/Exceptions/VatSenseApiError.php
index 343feea..bf0eb3b 100644
--- a/src/Exceptions/VatSenseApiError.php
+++ b/src/Exceptions/VatSenseApiError.php
@@ -8,11 +8,11 @@ final class VatSenseApiError extends Exception
 {
     public static function get(string $query, $error): self
     {
-        return new static("{$error['title']}: The query `{$query}` failed with error details: `{$error['detail']}`.");
+        return new self("{$error['title']}: The query `{$query}` failed with error details: `{$error['detail']}`.");
     }
 
     public static function invalidConfig(string $string): self
     {
-        return new static('Invalid configuration. The key `{string}` is required.');
+        return new self('Invalid configuration. The key `{string}` is required.');
     }
 }
diff --git a/src/Exceptions/VatSenseException.php b/src/Exceptions/VatSenseException.php
index a20cf47..e14e23b 100644
--- a/src/Exceptions/VatSenseException.php
+++ b/src/Exceptions/VatSenseException.php
@@ -8,6 +8,6 @@ final class VatSenseException extends Exception
 {
     public static function invalidConfig(string $string): self
     {
-        return new static('Invalid configuration. The key `{string}` is required.');
+        return new self('Invalid configuration. The key `{string}` is required.');
     }
 }
diff --git a/src/Vatsense.php b/src/Vatsense.php
index 7b26c86..63fdf9f 100755
--- a/src/Vatsense.php
+++ b/src/Vatsense.php
@@ -11,9 +11,6 @@
  */
 class Vatsense
 {
-    /**
-     * @var string
-     */
     protected string $baseUrl = 'https://api.vatsense.com/1.0/';
 
     public function __construct()
@@ -26,8 +23,6 @@ public function __construct()
     /**
      * Function get.
      *
-     * @param  string  $endpoint
-     * @param  array  $args
      * @return array|mixed
      *
      * @throws VatSenseApiError
@@ -60,8 +55,6 @@ public function allRates(): mixed
     /**
      * Function filterRates.
      *
-     * @param  string|null  $country_code
-     * @param  string|null  $ip_address
      * @return array|mixed
      *
      * @throws VatSenseApiError
@@ -86,10 +79,6 @@ public function allRateTypes(): mixed
     /**
      * Function findRate.
      *
-     * @param  string|null  $country_code
-     * @param  string|null  $ip_address
-     * @param  bool|null  $eu
-     * @param  string|null  $type
      * @return array|mixed
      *
      * @throws VatSenseApiError
@@ -102,10 +91,6 @@ public function findRate(?string $country_code = null, ?string $ip_address = nul
     /**
      * Function quickRate.
      *
-     * @param  string|null  $country_code
-     * @param  string|null  $ip_address
-     * @param  bool|null  $eu
-     * @param  string|null  $type
      * @return array|mixed
      *
      * @throws VatSenseApiError
@@ -130,8 +115,6 @@ public function allCountries(): mixed
     /**
      * Function filterCountries.
      *
-     * @param  string|null  $country_code
-     * @param  string|null  $ip_address
      * @return array|mixed
      *
      * @throws VatSenseApiError
@@ -144,8 +127,6 @@ public function filterCountries(?string $country_code = null, ?string $ip_addres
     /**
      * Function validateVatNumber.
      *
-     * @param  string  $vat_number
-     * @param  string|null  $requester
      * @return array|mixed
      *
      * @throws VatSenseApiError