diff --git a/lib/Exceptions/SeeOtherEbookException.php b/lib/Exceptions/SeeOtherEbookException.php
index 30411f89..b20032ab 100644
--- a/lib/Exceptions/SeeOtherEbookException.php
+++ b/lib/Exceptions/SeeOtherEbookException.php
@@ -2,7 +2,7 @@
 namespace Exceptions;
 
 class SeeOtherEbookException extends AppException{
-	public $Url;
+	public string $Url;
 
 	public function __construct(string $url = ''){
 		$this->Url = $url;
diff --git a/lib/Exceptions/StringTooLongException.php b/lib/Exceptions/StringTooLongException.php
index 7dda7e81..962f6c34 100644
--- a/lib/Exceptions/StringTooLongException.php
+++ b/lib/Exceptions/StringTooLongException.php
@@ -2,7 +2,7 @@
 namespace Exceptions;
 
 class StringTooLongException extends AppException{
-	public $Source;
+	public string $Source;
 
 	public function __construct(string $source = ''){
 		$this->Source = $source;
diff --git a/lib/Exceptions/ValidationException.php b/lib/Exceptions/ValidationException.php
index 04a9bf1c..51a95b21 100644
--- a/lib/Exceptions/ValidationException.php
+++ b/lib/Exceptions/ValidationException.php
@@ -1,10 +1,13 @@
 <?
 namespace Exceptions;
 
+/**
+  * @property array<\Exception> $Exceptions
+ */
 class ValidationException extends AppException{
 	public $Exceptions = [];
-	public $HasExceptions = false;
-	public $IsFatal = false;
+	public bool $HasExceptions = false;
+	public bool $IsFatal = false;
 
 	public function __toString(): string{
 		$output = '';