Some minor updates

README.md

@@ -83,7 +83,7 @@ All four simulation models share a common SIIB system architecture, consisting o
 - Inverter parameters (EMT):
   - V_DC = 1.5 kV, C_DC = 3900 µF
   - Switching frequency: 8000 Hz.
-  - The active power reference P_ref is varied across scenarios to sample a wide range of operating points. it is drawn from a uniform distribution over the interval [0.5, 1.7] pu.
+  - The active power reference P_ref (EMT and RMS) and the reactive power reference Q_ref (RMS) are varied across scenarios to sample a wide range of operating points. it is drawn from a uniform distribution over the interval [0.5, 1.7] pu.
 - Inverter LCL filter:
   - L_1f = 60 µH, C_f = 1 mF, L_2f = 35 µH, 
   - Series damping resistor, R_f = 0.01 Ω