Minor fixes in Configuration.h

Marlin/Configuration.h

 // #define MACHINE_UUID "00000000-0000-0000-0000-000000000000"
 
 // This defines the number of extruders
-#define EXTRUDERS 1
+#define EXTRUDERS 2
 
 //// The following define selects which power supply you have. Please choose the one that matches your setup
 // 1 = ATX
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
 // Actual temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
+#define TEMP_RESIDENCY_TIME 15  // (seconds)
 #define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
 #define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
 
   #define K1 0.95 //smoothing factor within the PID
   #define PID_dT ((OVERSAMPLENR * 10.0)/(F_CPU / 64.0 / 256.0)) //sampling period of the temperature routine
 
-// If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
-// Felix 2.0+ electronics with v4 Hotend
-#define DEFAULT_Kp 12
-#define DEFAULT_Ki 0.84
-#define DEFAULT_Kd 85
-
-// MakerGear
-//    #define  DEFAULT_Kp 7.0
-//    #define  DEFAULT_Ki 0.1
-//    #define  DEFAULT_Kd 12
-
-// Mendel Parts V9 on 12V
-//    #define  DEFAULT_Kp 63.0
-//    #define  DEFAULT_Ki 2.25
-//    #define  DEFAULT_Kd 440
+  // Felix 2.0+ electronics with v4 Hotend
+  #define DEFAULT_Kp 12
+  #define DEFAULT_Ki 0.84
+  #define DEFAULT_Kd 85
+
 #endif // PIDTEMP
 
 //===========================================================================
 //#define TEMP_STAT_LEDS
 
 // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
-// which is not ass annoying as with the hardware PWM. On the other hand, if this frequency
+// which is not as annoying as with the hardware PWM. On the other hand, if this frequency
 // is too low, you should also increment SOFT_PWM_SCALE.
 //#define FAN_SOFT_PWM
 
 //#define FILAMENT_LCD_DISPLAY
 
 
-
-
-
-
 #include "Configuration_adv.h"
 #include "thermistortables.h"
 
 #endif //__CONFIGURATION_H
-