In the article titled “Interaction between Gallotannin and a Recombinant Form of Arginine Kinase of Trypanosoma brucei: Thermodynamic and Spectrofluorimetric Evaluation” [1], there were a typo in Equation , where the denominator K2 should be corrected to K1, and an error in Table , where the values for ΔH, ΔS, and ΔG were incorrectly calculated. The equation and table are corrected as follows: