diff --git a/examples/ThinkInk_gray4/ThinkInk_gray4.ino b/examples/ThinkInk_gray4/ThinkInk_gray4.ino
index 92750a9..a6dfb1a 100644
--- a/examples/ThinkInk_gray4/ThinkInk_gray4.ino
+++ b/examples/ThinkInk_gray4/ThinkInk_gray4.ino
@@ -42,9 +42,8 @@ ThinkInk_213_Grayscale4_MFGN display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUS
 //ThinkInk_290_Grayscale4_T5 display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY,
 //                                   EPD_SPI);
 
-// 4.2" Grayscale display
-// ThinkInk_420_Grayscale4_T2 display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS,
-// EPD_BUSY, EPD_SPI);
+// 4.2" 4-Grayscale display with SSD1683 chipset
+// ThinkInk_420_Grayscale4_MFGN display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY, EPD_SPI);
 
 #define COLOR1 EPD_BLACK
 #define COLOR2 EPD_LIGHT
diff --git a/examples/ThinkInk_mono/ThinkInk_mono.ino b/examples/ThinkInk_mono/ThinkInk_mono.ino
index f82bca4..96ee9e0 100644
--- a/examples/ThinkInk_mono/ThinkInk_mono.ino
+++ b/examples/ThinkInk_mono/ThinkInk_mono.ino
@@ -64,8 +64,8 @@ ThinkInk_213_Mono_B72 display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY, EPD_
 // 4.2" Monochrome displays with 400x300 pixels and UC8276 chipset
 // ThinkInk_420_Mono_M06 display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY, EPD_SPI);
 
-// 4.2 Monochrome displays with 400x300 pixels and SSD1683 chipset
-// ThinkInk_420_Mono_MFGN display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY, EPD_SPI);
+// 4.2 Grayscale/Monochrome displays with 400x300 pixels and SSD1683 chipset
+// ThinkInk_420_Grayscale4_MFGN display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY, EPD_SPI);
 
 void setup() {
   Serial.begin(115200);
diff --git a/src/panels/ThinkInk_420_Mono_MFGN.h b/src/panels/ThinkInk_420_Grayscale4_MFGN.h
similarity index 100%
rename from src/panels/ThinkInk_420_Mono_MFGN.h
rename to src/panels/ThinkInk_420_Grayscale4_MFGN.h