diff --git a/src/Eval/CenterEval.php b/src/Eval/CenterEval.php
index 627897ec..ba5f9bc6 100644
--- a/src/Eval/CenterEval.php
+++ b/src/Eval/CenterEval.php
@@ -26,8 +26,7 @@ class CenterEval extends AbstractEval
      * The equilibrium factor φ.
      *
      * The king side is slightly tilted to break the vertical symmetry and
-     * differentiate between moves made on the queen side and those made on the
-     * king side.
+     * differentiate between pieces on the queen side and those on the king side.
      *
      * @var float
      */