diff --git a/CHANGELOG.md b/CHANGELOG.md
index 31101a33..83e25edb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -30,6 +30,7 @@ and this project adheres to [Semantic Versioning](https://semver.org).
 - Use of `nb` rather than `no` as the locale language code for Norsk Bokmål.
 
 ### Fixed
+- Fixed error in COUPNCD() calculation for end of month [Issue #2116](https://github.com/PHPOffice/PhpSpreadsheet/issues/2116) - [PR #2119](https://github.com/PHPOffice/PhpSpreadsheet/pull/2119)
 - Resolve default values when a null argument is passed for HLOOKUP(), VLOOKUP() and ADDRESS() functions [Issue #2120](https://github.com/PHPOffice/PhpSpreadsheet/issues/2120) - [PR #2121](https://github.com/PHPOffice/PhpSpreadsheet/pull/2121)
 - Fixed incorrect R1C1 to A1 subtraction formula conversion (`R[-2]C-R[2]C`) [Issue #2076](https://github.com/PHPOffice/PhpSpreadsheet/pull/2076) [PR #2086](https://github.com/PHPOffice/PhpSpreadsheet/pull/2086)
 - Correctly handle absolute A1 references when converting to R1C1 format [PR #2060](https://github.com/PHPOffice/PhpSpreadsheet/pull/2060)
diff --git a/src/PhpSpreadsheet/Style/Font.php b/src/PhpSpreadsheet/Style/Font.php
index 461c3c13..5f73c1d3 100644
--- a/src/PhpSpreadsheet/Style/Font.php
+++ b/src/PhpSpreadsheet/Style/Font.php
@@ -213,20 +213,20 @@ class Font extends Supervisor
     /**
      * Set Name.
      *
-     * @param string $pValue
+     * @param string $fontname
      *
      * @return $this
      */
-    public function setName($pValue)
+    public function setName($fontname)
     {
-        if ($pValue == '') {
-            $pValue = 'Calibri';
+        if ($fontname == '') {
+            $fontname = 'Calibri';
         }
         if ($this->isSupervisor) {
-            $styleArray = $this->getStyleArray(['name' => $pValue]);
+            $styleArray = $this->getStyleArray(['name' => $fontname]);
             $this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
         } else {
-            $this->name = $pValue;
+            $this->name = $fontname;
         }
 
         return $this;
@@ -249,27 +249,27 @@ class Font extends Supervisor
     /**
      * Set Size.
      *
-     * @param mixed $pValue A float representing the value of a positive measurement in points (1/72 of an inch)
+     * @param mixed $sizeInPoints A float representing the value of a positive measurement in points (1/72 of an inch)
      *
      * @return $this
      */
-    public function setSize($pValue)
+    public function setSize($sizeInPoints)
     {
-        if (is_string($pValue) || is_int($pValue)) {
-            $pValue = (float) $pValue; // $pValue = 0 if given string is not numeric
+        if (is_string($sizeInPoints) || is_int($sizeInPoints)) {
+            $sizeInPoints = (float) $sizeInPoints; // $pValue = 0 if given string is not numeric
         }
 
         // Size must be a positive floating point number
         // ECMA-376-1:2016, part 1, chapter 18.4.11 sz (Font Size), p. 1536
-        if (!is_float($pValue) || !($pValue > 0)) {
-            $pValue = 10.0;
+        if (!is_float($sizeInPoints) || !($sizeInPoints > 0)) {
+            $sizeInPoints = 10.0;
         }
 
         if ($this->isSupervisor) {
-            $styleArray = $this->getStyleArray(['size' => $pValue]);
+            $styleArray = $this->getStyleArray(['size' => $sizeInPoints]);
             $this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
         } else {
-            $this->size = $pValue;
+            $this->size = $sizeInPoints;
         }
 
         return $this;