diff --git a/CHANGELOG.md b/CHANGELOG.md
index 697ed398..c9304ad1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,7 @@ All Notable changes to `Csv` will be documented in this file
 - `Comparison::CONTAINS` must check the value is a string before calling `str_compare` [#548](https://github.com/thephpleague/csv/pull/548) by [cage-is](https://github.com/cage-is)
 - Fix testing to improve Debian integration [#549](https://github.com/thephpleague/csv/pull/549) by [David Prévot and tenzap](https://github.com/tenzap)
 - `Bom::tryFromSequence` and `Bom::fromSequence` supports the `Reader` and `Writer` classes.
+- `XMLConverter::$formatter` visibility it should not be public.
 
 ### Removed
 
diff --git a/src/TabularData.php b/src/TabularData.php
index d62c415d..af5851be 100644
--- a/src/TabularData.php
+++ b/src/TabularData.php
@@ -25,24 +25,23 @@ interface TabularData extends IteratorAggregate
     /**
      * Returns the header associated with the tabular data.
      *
-     * The header must contain unique string or to be an empty array
-     * if no header was specified.
+     * The header must contain unique string or be an empty array
+     * if no header is specified.
      *
      * @return array<string>
      */
     public function getHeader(): array;
 
     /**
-     * Returns the tabular data records as an iterator object containing flat array.
+     * Returns the tabular data rows as an iterator object containing flat array.
      *
-     * Each record is represented as a simple array containing strings or null values.
+     * Each row is represented as a simple array containing values.
      *
-     * If the CSV document has a header record then each record is combined
-     * to the header record and the header record is removed from the iterator.
+     * If the tabular data has a header included as a separate row then each record
+     * is combined to the header record and the header record is removed from the iteration.
      *
-     * If the CSV document is inconsistent. Missing record fields are
-     * filled with null values while extra record fields are strip from
-     * the returned object.
+     * If the tabular data is inconsistent. Missing fields are filled with null values
+     * while extra record fields are strip from the returned array.
      *
      * @return Iterator<array-key, TValue>
      */
diff --git a/src/XMLConverter.php b/src/XMLConverter.php
index 2f69fcb7..8d3d9357 100644
--- a/src/XMLConverter.php
+++ b/src/XMLConverter.php
@@ -36,7 +36,7 @@ class XMLConverter
     /** XML offset attribute name. */
     protected string $offset_attr = '';
     /** @var ?Closure(array, array-key): array */
-    public ?Closure $formatter = null;
+    protected ?Closure $formatter = null;
 
     public static function create(): self
     {