@@ -71,7 +71,7 @@  | 
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| 71 | 71 |      $result = (int)$dateTime->format('Uu000'); | 
                                                        
| 72 | 72 | |
| 73 | 73 |      if ($result < 0) { | 
                                                        
| 74 | -        throw new InvalidValueException("Timestamp {$dateTime->format('Y-m-d H:i:s.u')} is negative"); | 
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| 74 | +        throw new InvalidValueException("timestamp {$dateTime->format('Y-m-d H:i:s.u')} is negative"); | 
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| 75 | 75 | }  | 
                                                        
| 76 | 76 | |
| 77 | 77 | return $result;  |