diff --git a/lib/Cake/Utility/Validation.php b/lib/Cake/Utility/Validation.php
index e13145551..e7885fe4c 100644
--- a/lib/Cake/Utility/Validation.php
+++ b/lib/Cake/Utility/Validation.php
@@ -564,7 +564,7 @@ class Validation {
 	}
 
 /**
- * Checks if a value is a natural value.
+ * Checks if a value is a natural number.
  *
  * @param string $check Value to check
  * @param boolean $allowZero Set true to allow zero, defaults to false