Update ini settings recommandation

README.md

@@ -51,7 +51,7 @@ composer require league/csv:^9.0
 
 ## Configuration
 
-**Warning:** If your CSV document was created or is read on a Macintosh computer, add the following lines before 
+**Warning:** If your CSV document was created or is read on a **Legacy Macintosh computer**, add the following lines before 
 using the library to help [PHP detect line ending](http://php.net/manual/en/function.fgetcsv.php#refsect1-function.fgetcsv-returnvalues).
 
 ```php
@@ -60,6 +60,8 @@ if (!ini_get('auto_detect_line_endings')) {
 }
 ```
 
+**The ini setting is deprecated since PHP version 8.1 and will be removed in PHP 9.0**
+
 ## Testing
 
 The library has:

docs/9.0/connections/index.md

@@ -22,16 +22,17 @@ Both classes extend the `League\Csv\AbstractCsv` class and as such share the fol
 
 ## OS specificity
 
-If your CSV document was created or is read on a Macintosh computer, add the following lines before using the library to help [PHP detect line ending in Mac OS X](http://php.net/manual/en/function.fgetcsv.php#refsect1-function.fgetcsv-returnvalues).
+If your CSV document was created or is read on a **Legacy Macintosh computer**, add the following lines before
+using the library to help [PHP detect line ending](http://php.net/manual/en/function.fgetcsv.php#refsect1-function.fgetcsv-returnvalues).
 
 ```php
 if (!ini_get('auto_detect_line_endings')) {
     ini_set('auto_detect_line_endings', '1');
 }
-
-//the rest of the code continues here...
 ```
 
+**The ini setting is deprecated since PHP version 8.1 and will be removed in PHP 9.0**
+
 ## Exceptions
 
 The default exception class thrown while using this library is `League\Csv\Exception` which extends PHP `Exception` class.