diff --git a/src/Malenki/Math/Stats/ParametricTest/Anova.php b/src/Malenki/Math/Stats/ParametricTest/Anova.php
index <HASH>..<HASH> 100644
--- a/src/Malenki/Math/Stats/ParametricTest/Anova.php
+++ b/src/Malenki/Math/Stats/ParametricTest/Anova.php
@@ -90,9 +90,9 @@ class Anova implements \Countable
 
     public function withinGroupDegreesOfFreedom()
     {
-        //TODO: I am not sure…
         if(is_null($this->int_wgdof)){
             $arr = array();
+
             foreach($this->arr_samples as $s){
                 $arr[] = count($s) - 1;
             }
I am sure now, so, I removed TODO