diff --git a/src/PHPMailer.php b/src/PHPMailer.php
index a9868663..c48466be 100644
--- a/src/PHPMailer.php
+++ b/src/PHPMailer.php
@@ -1548,7 +1548,7 @@ class PHPMailer
             static::setLE(self::CRLF);
         } else {
             //Maintain backward compatibility with legacy Linux command line mailers
-            //Force PHP_EOL for all mail() calls on Linux
+            //Force PHP_EOL for all mail() calls on Linux - regardless of PHP versions -
             static::setLE(PHP_EOL);
         }
         //Check for buggy PHP versions that add a header with an incorrect line break