diff --git a/src/PhpSpreadsheet/Calculation/Calculation.php b/src/PhpSpreadsheet/Calculation/Calculation.php
index 0aa2a6da..1699b5a0 100644
--- a/src/PhpSpreadsheet/Calculation/Calculation.php
+++ b/src/PhpSpreadsheet/Calculation/Calculation.php
@@ -130,7 +130,7 @@ class Calculation
     /**
      * Error message for any error that was raised/thrown by the calculation engine.
      *
-     * @var string
+     * @var null|string
      */
     public $formulaError;
 
@@ -204,7 +204,7 @@ class Calculation
     /**
      * Locale-specific translations for Excel constants (True, False and Null).
      *
-     * @var string[]
+     * @var array<string, string>
      */
     public static $localeBoolean = [
         'TRUE' => 'TRUE',
@@ -216,7 +216,7 @@ class Calculation
      * Excel constant string translations to their PHP equivalents
      * Constant conversion from text name/value to actual (datatyped) value.
      *
-     * @var string[]
+     * @var array<string, mixed>
      */
     private static $excelConstants = [
         'TRUE' => true,
@@ -3457,8 +3457,8 @@ class Calculation
     /**
      * Ensure that paired matrix operands are both matrices and of the same size.
      *
-     * @param mixed &$operand1 First matrix operand
-     * @param mixed &$operand2 Second matrix operand
+     * @param mixed $operand1 First matrix operand
+     * @param mixed $operand2 Second matrix operand
      * @param int $resize Flag indicating whether the matrices should be resized to match
      *                                        and (if so), whether the smaller dimension should grow or the
      *                                        larger should shrink.
@@ -3502,7 +3502,7 @@ class Calculation
     /**
      * Read the dimensions of a matrix, and re-index it with straight numeric keys starting from row 0, column 0.
      *
-     * @param array &$matrix matrix operand
+     * @param array $matrix matrix operand
      *
      * @return int[] An array comprising the number of rows, and number of columns
      */
@@ -3527,8 +3527,8 @@ class Calculation
     /**
      * Ensure that paired matrix operands are both matrices of the same size.
      *
-     * @param mixed &$matrix1 First matrix operand
-     * @param mixed &$matrix2 Second matrix operand
+     * @param mixed $matrix1 First matrix operand
+     * @param mixed $matrix2 Second matrix operand
      * @param int $matrix1Rows Row size of first matrix operand
      * @param int $matrix1Columns Column size of first matrix operand
      * @param int $matrix2Rows Row size of second matrix operand
@@ -3570,8 +3570,8 @@ class Calculation
     /**
      * Ensure that paired matrix operands are both matrices of the same size.
      *
-     * @param mixed &$matrix1 First matrix operand
-     * @param mixed &$matrix2 Second matrix operand
+     * @param mixed $matrix1 First matrix operand
+     * @param mixed $matrix2 Second matrix operand
      * @param int $matrix1Rows Row size of first matrix operand
      * @param int $matrix1Columns Column size of first matrix operand
      * @param int $matrix2Rows Row size of second matrix operand
@@ -3688,6 +3688,8 @@ class Calculation
 
             return $typeString . ' with a value of ' . $this->showValue($value);
         }
+
+        return null;
     }
 
     /**
@@ -3782,7 +3784,7 @@ class Calculation
     /**
      * @param string $formula
      *
-     * @return bool
+     * @return array<int, mixed>|false
      */
     private function internalParseFormula($formula, ?Cell $pCell = null)
     {
@@ -4254,7 +4256,7 @@ class Calculation
      * @param mixed $tokens
      * @param null|string $cellID
      *
-     * @return bool
+     * @return array<int, mixed>|false
      */
     private function processTokenStack($tokens, $cellID = null, ?Cell $pCell = null)
     {
@@ -5101,7 +5103,7 @@ class Calculation
     /**
      * Extract range values.
      *
-     * @param string &$pRange String based range representation
+     * @param string $pRange String based range representation
      * @param Worksheet $pSheet Worksheet
      * @param bool $resetLog Flag indicating whether calculation log should be reset or not
      *
@@ -5154,7 +5156,7 @@ class Calculation
     /**
      * Extract range values.
      *
-     * @param string &$pRange String based range representation
+     * @param string $pRange String based range representation
      * @param Worksheet $pSheet Worksheet
      * @param bool $resetLog Flag indicating whether calculation log should be reset or not
      *
diff --git a/src/PhpSpreadsheet/Style/Alignment.php b/src/PhpSpreadsheet/Style/Alignment.php
index 04a089fe..226a5427 100644
--- a/src/PhpSpreadsheet/Style/Alignment.php
+++ b/src/PhpSpreadsheet/Style/Alignment.php
@@ -392,7 +392,8 @@ class Alignment extends Supervisor
             if (
                 $this->getHorizontal() != self::HORIZONTAL_GENERAL &&
                 $this->getHorizontal() != self::HORIZONTAL_LEFT &&
-                $this->getHorizontal() != self::HORIZONTAL_RIGHT
+                $this->getHorizontal() != self::HORIZONTAL_RIGHT &&
+                $this->getHorizontal() != self::HORIZONTAL_DISTRIBUTED
             ) {
                 $pValue = 0; // indent not supported
             }