Fixed typo

src/Validation/Validation.php

@@ -676,7 +676,7 @@ class Validation
     }
 
     /**
-     * Checks whether the length of a string (in character) is greater or equal to a minimal length.
+     * Checks whether the length of a string (in characters) is greater or equal to a minimal length.
      *
      * @param string $check The string to test
      * @param int $min The minimal string length
@@ -688,7 +688,7 @@ class Validation
     }
 
     /**
-     * Checks whether the length of a string (in character) is smaller or equal to a maximal length.
+     * Checks whether the length of a string (in characters) is smaller or equal to a maximal length.
      *
      * @param string $check The string to test
      * @param int $max The maximal string length