Validation typos changes

Author: atishhamte

system/Validation/Validation.php

@@ -739,7 +739,7 @@ protected function splitRules(string $rules): array
 	 * Resets the class to a blank slate. Should be called whenever
 	 * you need to process more than one array.
 	 *
-	 * @return mixed
+	 * @return \CodeIgniter\Validation\ValidationInterface
 	 */
 	public function reset(): ValidationInterface
 	{

system/Validation/ValidationInterface.php

@@ -157,7 +157,7 @@ public function setError(string $alias, string $error): ValidationInterface;
 	 * Resets the class to a blank slate. Should be called whenever
 	 * you need to process more than one array.
 	 *
-	 * @return mixed
+	 * @return \CodeIgniter\Validation\ValidationInterface
 	 */
 	public function reset(): ValidationInterface;