diff --git a/Marlin/configurator/config/Configuration.h b/Marlin/configurator/config/Configuration.h
index 424dd1995f..e4028295b0 100644
--- a/Marlin/configurator/config/Configuration.h
+++ b/Marlin/configurator/config/Configuration.h
@@ -250,19 +250,19 @@ Here are some standard links for getting your machine calibrated:
 
   #define PID_BED_INTEGRAL_DRIVE_MAX MAX_BED_POWER //limit for the integral term
 
-//120v 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
-//from FOPDT model - kp=.39 Tp=405 Tdead=66, Tc set to 79.2, aggressive factor of .15 (vs .1, 1, 10)
+  //120v 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
+  //from FOPDT model - kp=.39 Tp=405 Tdead=66, Tc set to 79.2, aggressive factor of .15 (vs .1, 1, 10)
   #define  DEFAULT_bedKp 10.00
   #define  DEFAULT_bedKi .023
   #define  DEFAULT_bedKd 305.4
 
-//120v 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
-//from pidautotune
+  //120v 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
+  //from pidautotune
   //#define  DEFAULT_bedKp 97.1
   //#define  DEFAULT_bedKi 1.41
   //#define  DEFAULT_bedKd 1675.16
 
-// FIND YOUR OWN: "M303 E-1 C8 S90" to run autotune on the bed at 90 degreesC for 8 cycles.
+  // FIND YOUR OWN: "M303 E-1 C8 S90" to run autotune on the bed at 90 degreesC for 8 cycles.
 #endif // PIDTEMPBED
 
 // @section extruder
diff --git a/Marlin/example_configurations/RigidBot/Configuration.h b/Marlin/example_configurations/RigidBot/Configuration.h
index 05f3cd8b02..d2aa4cb2cc 100644
--- a/Marlin/example_configurations/RigidBot/Configuration.h
+++ b/Marlin/example_configurations/RigidBot/Configuration.h
@@ -703,6 +703,12 @@ const bool Z_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the logic
 //#define LCD_I2C_SAINSMART_YWROBOT
 
 // PANELOLU2 LCD with status LEDs, separate encoder and click inputs
+//
+// This uses the LiquidTWI2 library v1.2.3 or later ( https://github.com/lincomatic/LiquidTWI2 )
+// Make sure the LiquidTWI2 directory is placed in the Arduino or Sketchbook libraries subdirectory.
+// (v1.2.3 no longer requires you to define PANELOLU in the LiquidTWI2.h library header file)
+// Note: The PANELOLU2 encoder click input can either be directly connected to a pin
+//       (if BTN_ENC defined to != -1) or read through I2C (when BTN_ENC == -1).
 //#define LCD_I2C_PANELOLU2
 
 // Panucatt VIKI LCD with status LEDs, integrated click & L/R/U/P buttons, separate encoder inputs
@@ -823,4 +829,4 @@ const bool Z_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the logic
 #include "Configuration_adv.h"
 #include "thermistortables.h"
 
-#endif //CONFIGURATION_H
\ No newline at end of file
+#endif //CONFIGURATION_H
diff --git a/Marlin/example_configurations/SCARA/Configuration.h b/Marlin/example_configurations/SCARA/Configuration.h
index 650f195cdd..9996a71200 100644
--- a/Marlin/example_configurations/SCARA/Configuration.h
+++ b/Marlin/example_configurations/SCARA/Configuration.h
@@ -303,7 +303,7 @@ Here are some standard links for getting your machine calibrated:
   #define  DEFAULT_bedKp 630.14
   #define  DEFAULT_bedKi 121.71
   #define  DEFAULT_bedKd 815.64
-    
+
   // FIND YOUR OWN: "M303 E-1 C8 S90" to run autotune on the bed at 90 degreesC for 8 cycles.
 #endif // PIDTEMPBED
 
diff --git a/Marlin/example_configurations/adafruit/ST7565/Configuration.h b/Marlin/example_configurations/adafruit/ST7565/Configuration.h
index 2c325f1c08..165a6bd101 100644
--- a/Marlin/example_configurations/adafruit/ST7565/Configuration.h
+++ b/Marlin/example_configurations/adafruit/ST7565/Configuration.h
@@ -250,19 +250,19 @@ Here are some standard links for getting your machine calibrated:
 
   #define PID_BED_INTEGRAL_DRIVE_MAX MAX_BED_POWER //limit for the integral term
 
-//120v 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
-//from FOPDT model - kp=.39 Tp=405 Tdead=66, Tc set to 79.2, aggressive factor of .15 (vs .1, 1, 10)
+  //120v 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
+  //from FOPDT model - kp=.39 Tp=405 Tdead=66, Tc set to 79.2, aggressive factor of .15 (vs .1, 1, 10)
   #define  DEFAULT_bedKp 10.00
   #define  DEFAULT_bedKi .023
   #define  DEFAULT_bedKd 305.4
 
-//120v 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
-//from pidautotune
+  //120v 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
+  //from pidautotune
   //#define  DEFAULT_bedKp 97.1
   //#define  DEFAULT_bedKi 1.41
   //#define  DEFAULT_bedKd 1675.16
 
-// FIND YOUR OWN: "M303 E-1 C8 S90" to run autotune on the bed at 90 degreesC for 8 cycles.
+  // FIND YOUR OWN: "M303 E-1 C8 S90" to run autotune on the bed at 90 degreesC for 8 cycles.
 #endif // PIDTEMPBED
 
 // @section extruder