Received 6 October 2003
aX-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia,bDepartment of Chemistry, Nanjing University, 210093 Nanjing, People's Republic of China, and cCollege of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, 266042 Qingdao, Shandong, People's Republic of China
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In the paper by Fun, Wang, Xu, Li & Zhang [Acta Cryst. (2003), E59, o1827-o1829 ], two errors are corrected. First, in the second paragraph of the Comment, `C8-C13' on line 6 should read `C2-C13'. Secondly, in the third paragraph of the Comment, `the O3/C11/N2/C13 plane' on line 4 should read `the C1/C3/C8/N1 plane'.