diff --git a/README.md b/README.md
index e9cf2414e..7474c0d36 100644
--- a/README.md
+++ b/README.md
@@ -111,7 +111,7 @@ The schematic used (as designed by [susisstrolch](https://github.com/susisstrolc
 
 ![Schematic](doc/schematics/circuit.png)
 
-*Optionally I've also added 2 polyfuses between the EMS and the two inductors*
+*Optionally I've also added 2 0.5A/72V polyfuses between the EMS and the two inductors L1 and L2 for extra protection.*
 
 And here's an early prototype circuit using a NodeMcu2 with the additional LEDs added and 5v buck converter to power the ESP8266 also from the EMS line.
 
diff --git a/doc/schematics/circuit.png b/doc/schematics/circuit.png
index 7ccdb14b4..f6b0e6adc 100644
Binary files a/doc/schematics/circuit.png and b/doc/schematics/circuit.png differ
diff --git a/src/boiler.ino b/src/boiler.ino
index d7bf008cb..8fb3bbb75 100644
--- a/src/boiler.ino
+++ b/src/boiler.ino
@@ -223,9 +223,8 @@ void showInfo() {
                 EMS_Thermostat.month,
                 EMS_Thermostat.year + 2000);
 
-        myDebug("  Setpoint room temperature is %s C and current room temperature is %s C\n",
-                _float_to_char(s, EMS_Thermostat.setpoint_roomTemp),
-                _float_to_char(s, EMS_Thermostat.curr_roomTemp));
+        myDebug("  Setpoint room temperature is %s C\n", _float_to_char(s, EMS_Thermostat.setpoint_roomTemp));
+        myDebug("  Current room temperature is %s C\n", _float_to_char(s, EMS_Thermostat.curr_roomTemp));
     }
 
     // show the Shower Info