diff --git a/README.md b/README.md
index 3d84ad74f7..6fb2e85459 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,7 @@ With PHPWord, you can create OOXML, ODF, or RTF documents dynamically using your
 
 PHPWord requires the following:
 
-- PHP 7.4+
+- PHP 7.1+
 - [XML Parser extension](http://www.php.net/manual/en/xml.installation.php)
 - [Laminas Escaper component](https://docs.laminas.dev/laminas-escaper/intro/)
 - [Zip extension](http://php.net/manual/en/book.zip.php) (optional, used to write OOXML and ODF)
diff --git a/docs/installing.rst b/docs/installing.rst
index 4f3c3a2a3b..bed177192d 100644
--- a/docs/installing.rst
+++ b/docs/installing.rst
@@ -9,7 +9,7 @@ Requirements
 Mandatory:
 
 - composer
-- PHP 7.4+
+- PHP 7.1+
 - `XML Parser <http://www.php.net/manual/en/xml.installation.php>`__ extension
 
 Optional:
diff --git a/samples/index.php b/samples/index.php
index c47deebe46..a867eb3d80 100644
--- a/samples/index.php
+++ b/samples/index.php
@@ -4,7 +4,7 @@
 use PhpOffice\PhpWord\Settings;
 
 $requirements = [
-    'php' => ['PHP 7.4', version_compare(PHP_VERSION, '7.4', '>=')],
+    'php' => ['PHP 7.1', version_compare(PHP_VERSION, '7.1', '>=')],
     'xml' => ['PHP extension XML', extension_loaded('xml')],
     'temp' => ['Temp folder "<code>' . Settings::getTempDir() . '</code>" is writable', is_writable(Settings::getTempDir())],
     'zip' => ['PHP extension ZipArchive (optional)', extension_loaded('zip')],
diff --git a/src/PhpWord/Reader/MsDoc.php b/src/PhpWord/Reader/MsDoc.php
index ac084818a6..68c732f533 100644
--- a/src/PhpWord/Reader/MsDoc.php
+++ b/src/PhpWord/Reader/MsDoc.php
@@ -39,29 +39,21 @@ class MsDoc extends AbstractReader implements ReaderInterface
 
     /**
      * WordDocument Stream.
-     *
-     * @var
      */
     private $dataWorkDocument;
 
     /**
      * 1Table Stream.
-     *
-     * @var
      */
     private $data1Table;
 
     /**
      * Data Stream.
-     *
-     * @var
      */
     private $dataData;
 
     /**
      * Object Pool Stream.
-     *
-     * @var
      */
     private $dataObjectPool;
 
@@ -1513,8 +1505,6 @@ private function readRecordPlcfBteChpx(): void
     }
 
     /**
-     * @param $sprm
-     *
      * @return stdClass
      */
     private function readSprm($sprm)