diff --git a/nx/include/switch/services/psm.h b/nx/include/switch/services/psm.h
index fd8de4f43..60691c200 100644
--- a/nx/include/switch/services/psm.h
+++ b/nx/include/switch/services/psm.h
@@ -60,23 +60,23 @@ typedef struct {
 
 /// BatteryChargeInfoFields [17.0.0+]
 typedef struct {
-    u32 input_current_limit;
-    u32 boost_mode_current_limit;
-    u32 fast_charge_current_limit;
-    u32 charge_voltage_limit;
+    u32 input_current_limit;          ///< Input (Sink) current limit in mA
+    u32 boost_mode_current_limit;     ///< Output (Source/VBUS/OTG) current limit in mA
+    u32 fast_charge_current_limit;    ///< Battery charging current limit in mA
+    u32 charge_voltage_limit;         ///< Battery charging voltage limit in mV
     PsmChargerType charger_type;
     u8 hi_z_mode;
     bool battery_charging;
     u8 pad[2];
-    PsmVdd50State vdd50_state;
-    u32 temperature_celcius;
-    u32 battery_charge_percentage;
-    u32 battery_charge_milli_voltage;
-    u32 battery_age_percentage;
+    PsmVdd50State vdd50_state;        ///< Power Delivery Controller State
+    u32 temperature_celcius;          ///< Battery temperature in milli C
+    u32 battery_charge_percentage;    ///< Raw battery charged capacity per cent-mille
+    u32 battery_charge_milli_voltage; ///< Voltage average in mV
+    u32 battery_age_percentage;       ///< Battery age per cent-mille
     u32 usb_power_role;
     u32 usb_charger_type;
-    u32 charger_input_voltage_limit;
-    u32 charger_input_current_limit;
+    u32 charger_input_voltage_limit;  ///< Charger and external device voltage limit in mV
+    u32 charger_input_current_limit;  ///< Charger and external device current limit in mA
     bool fast_battery_charging;
     bool controller_power_supply;
     bool otg_request;