| @@ -68,7 +68,7 @@ | ||
| 68 | 68 |      $result = ($dateTime->format('U') * 1000000000) + ($dateTime->format('u') * 1000); | 
| 69 | 69 | |
| 70 | 70 |      if ($result < 0) { | 
| 71 | -        throw new InvalidValueException("Timestamp {$dateTime->format('Y-m-d H:i:s.u')} is negative"); | |
| 71 | +        throw new InvalidValueException("timestamp {$dateTime->format('Y-m-d H:i:s.u')} is negative"); | |
| 72 | 72 | } | 
| 73 | 73 | |
| 74 | 74 | return $result; |