In the article titled “Multivariable Model Reference Adaptive Control of an Industrial Power Boiler Using Recurrent RBFN” [1], there were errors in Figures 1 and 3, which should be corrected as follows.

Additionally, “RBFN-based” in the abstract should be corrected to “radial-basis function neural network (RBFN).” On page 1 of the Introduction, “PID” should be corrected to “proportional-integral-derivative (PID).”