Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ēmendātĭo, ōnis, f. [emendo], a correction, amendment, emendation, Cic. Fin. 4, 9 (with correctio); Quint. 1, 5, 34; 2, 4, 10; 13; Plin. 8, 51, 78, § 210; Dig. 48, 19, 16, § 2 et saep.