diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index e94d1201912..46eb0f47e43 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -8131,4 +8131,3 @@ function dolGetButtonAction($label, $html = '', $actionType = 'default', $url =
     
     return '<div class="inline-block divButAction"><'.$tag.' '.$compiledAttributes.'>'.$html.'</'.$tag.'></div>';
 }
-
diff --git a/htdocs/core/lib/functions2.lib.php b/htdocs/core/lib/functions2.lib.php
index 785481e310a..9e63492072d 100644
--- a/htdocs/core/lib/functions2.lib.php
+++ b/htdocs/core/lib/functions2.lib.php
@@ -2253,7 +2253,7 @@ function colorAdjustBrightness($hex, $steps)
  */
 function colorDarker($hex, $percent)
 {
-    $steps = intval(255 * $percent / 100 ) * -1;
+    $steps = intval(255 * $percent / 100) * -1;
     return colorAdjustBrightness($hex, $steps);
 }
 
@@ -2264,7 +2264,7 @@ function colorDarker($hex, $percent)
  */
 function colorLighten($hex, $percent)
 {
-    $steps = intval(255 * $percent / 100 );
+    $steps = intval(255 * $percent / 100);
     return colorAdjustBrightness($hex, $steps);
 }
 
@@ -2272,7 +2272,7 @@ function colorLighten($hex, $percent)
 /**
  * @param string $hex color in hex
  * @param float $alpha 0 to 1
- * @param bool $returnArray
+ * @param bool $returnArray set to 1 to return an array instead of string
  * @return string
  */
 function colorHexToRgb($hex, $alpha = false, $returnArray = false)