Fix capitalization

Author: Steven-Roberts

toolbox/+otp/+robertson/RobertsonParameters.m

@@ -1,11 +1,11 @@
 classdef RobertsonParameters < otp.Parameters
     % Parameters for the Robertson problem.
     properties
-        % The reaction rate $K_1$.
+        % The reaction rate $k_1$.
         K1 %MATLAB ONLY: (1, 1) {mustBeReal, mustBeNonnegative}
-        % The reaction rate $K_2$.
+        % The reaction rate $k_2$.
         K2 %MATLAB ONLY: (1, 1) {mustBeReal, mustBeNonnegative}
-        % The reaction rate $K_3$.
+        % The reaction rate $k_3$.
         K3 %MATLAB ONLY: (1, 1) {mustBeReal, mustBeNonnegative}
     end