Minor reword

Author: javiereguiluz

reference/constraints/Email.rst

@@ -169,6 +169,7 @@ html5
 This matches the pattern used for the `HTML5 email input element`_.
 
 .. include:: /reference/constraints/_normalizer-option.rst.inc
+
 .. include:: /reference/constraints/_payload-option.rst.inc
 
 .. _egulias/email-validator: https://packagist.org/packages/egulias/email-validator

reference/constraints/Ip.rst

@@ -98,6 +98,7 @@ Parameter        Description
 ===============  ==============================================================
 
 .. include:: /reference/constraints/_normalizer-option.rst.inc
+
 .. include:: /reference/constraints/_payload-option.rst.inc
 
 version

reference/constraints/Length.rst

@@ -214,4 +214,5 @@ Parameter          Description
 =================  ============================================================
 
 .. include:: /reference/constraints/_normalizer-option.rst.inc
+
 .. include:: /reference/constraints/_payload-option.rst.inc

reference/constraints/NotBlank.rst

@@ -111,15 +111,6 @@ Parameter        Description
 ``{{ value }}``  The current (invalid) value
 ===============  ==============================================================
 
-normalizer
-~~~~~~~~~~
-
-**type**: ``string`` **default**: ``null``
-
-If the given value is a ``string``, this option can be used to normalize it while
-checking if it is valid. A ``callable`` must be passed.
-
-For example, you may want to use :phpfunction:`trim` to ignore leading and
-trailing whitespace during validation.
+.. include:: /reference/constraints/_normalizer-option.rst.inc
 
 .. include:: /reference/constraints/_payload-option.rst.inc

reference/constraints/Regex.rst

@@ -289,4 +289,5 @@ PHP function). However, if `match`_ is set to false, then validation will
 fail if the input string *does* match this pattern.
 
 .. include:: /reference/constraints/_normalizer-option.rst.inc
+
 .. include:: /reference/constraints/_payload-option.rst.inc

reference/constraints/Url.rst

@@ -321,6 +321,7 @@ Parameter        Description
         }
 
 .. include:: /reference/constraints/_normalizer-option.rst.inc
+
 .. include:: /reference/constraints/_payload-option.rst.inc
 
 protocols

reference/constraints/Uuid.rst

@@ -100,6 +100,7 @@ Parameter        Description
 ===============  ==============================================================
 
 .. include:: /reference/constraints/_normalizer-option.rst.inc
+
 .. include:: /reference/constraints/_payload-option.rst.inc
 
 strict

reference/constraints/_normalizer-option.rst.inc

@@ -1,10 +1,13 @@
 normalizer
 ~~~~~~~~~~
 
-**type**: ``string`` **default**: ``null``
+**type**: a `PHP callable`_ **default**: ``null``
 
-This option allows a ``callable`` to be passed in order to normalize the given
-value while checking if it is valid.
+This option allows to define the PHP callable applied to the given value before
+checking if it is valid.
 
-For example, you may want to use :phpfunction:`trim` to ignore leading and
-trailing whitespace during validation.
+For example, you may want to pass the ``'trim'`` string to apply the
+:phpfunction:`trim` PHP function in order to ignore leading and trailing
+whitespace during validation.
+
+.. _`PHP callable`: https://www.php.net/callable