Rename the system name in bode plot

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Hello together, I need some bode plots for my master thesis, but i have issues renaimng the system in the bode plot. When I plot the bode plot and klick on the line it gives me the system name, the frequency and magnitude. Currently Matlab shows me the system name as "untitled1" (picture in appendix), but I want to chage this and define a new text in the editor before plotting, so if I plot the bode diagram, it shows me automatically my setted system name.

The current code I'm using for the plot is:

%% Calculations for open current loop Bode Plot

controller.NUMco = [1];

controller.DENco = [2*(PI_current.T_u^2) 2*PI_current.T_u 0]; %Time constants refer to my system, but I guess they're not relevant here, are they?

controller.Hco = tf(controller.NUMco,controller.DENco);

bode(controller.Hco,'g'),grid minor, hold on;

title('open loop curren control');

I hope someone knows how to do this, I'd be very grateful!