diff --git a/src/LedControl.h b/src/LedControl.h
index cdfaa1f5..1295dcc1 100644
--- a/src/LedControl.h
+++ b/src/LedControl.h
@@ -37,7 +37,7 @@
 
 /*
  * Segments to be switched on for characters and digits on
- * 7-Segment Displays
+ * 7-Segment Displays. Partially based on https://c7.se/7-segment-display/
  */
 const static byte charTable [] PROGMEM  = {
     B01111110,B00110000,B01101101,B01111001,B00110011,B01011011,B01011111,B01110000,
@@ -48,14 +48,14 @@ const static byte charTable [] PROGMEM  = {
     B00000000,B00000000,B00000000,B00000000,B10000000,B00000001,B10000000,B00000000,
     B01111110,B00110000,B01101101,B01111001,B00110011,B01011011,B01011111,B01110000,
     B01111111,B01111011,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
-    B00000000,B01110111,B00011111,B00001101,B00111101,B01001111,B01000111,B00000000,
-    B00110111,B00000000,B00000000,B00000000,B00001110,B00000000,B00000000,B00000000,
-    B01100111,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
-    B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00001000,
-    B00000000,B01110111,B00011111,B00001101,B00111101,B01001111,B01000111,B00000000,
-    B00110111,B00000000,B00000000,B00000000,B00001110,B00000000,B00010101,B00011101,
-    B01100111,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
-    B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000
+    B00000000,B01110111,B00011111,B00001101,B00111101,B01001111,B01000111,B01011110,
+    B00110111,B00110000,B00111100,B01010111,B00001110,B01110110,B00010101,B00011101,
+    B01100111,B01110011,B00000101,B01011011,B00001111,B00011100,B00111110,B00111111,
+    B00110111,B00111011,B01101101,B00000000,B00000000,B00000000,B00000000,B00001000,
+    B00000000,B01110111,B00011111,B00001101,B00111101,B01001111,B01000111,B01011110,
+    B00110111,B00110000,B00111100,B01010111,B00001110,B01110110,B00010101,B00011101,
+    B01100111,B01110011,B00000101,B01011011,B00001111,B00011100,B00111110,B00111111,
+    B00110111,B00111011,B01101101,B00000000,B00000000,B00000000,B00000000,B00000000,
 };
 
 class LedControl {