diff --git a/keymapper.ino b/keymapper.ino
index 91c5169..ce62b95 100644
--- a/keymapper.ino
+++ b/keymapper.ino
@@ -1,3 +1,17 @@
+/*
+Usage: Convert standard QWERTY keyboard to any keyboard layout you want
+Default layout: QWERTY
+Reserved key combination to switch layout:
+Ctrl-Shift 0 => QWERTY (DEFAULT)
+Ctrl-Shift 1 => tarmak1
+Ctrl-Shift 2 => tarmak2
+Ctrl-Shift 3 => tarmak3
+Ctrl-Shift 4 => tarmak4
+Ctrl-Shift 5 => Colemak
+Ctrl-Shift 6 => Dvorak
+Ctrl-Shift 7 => Workman
+*/
+
 #include <avr/pgmspace.h>
 #include <Usb.h>
 #include <hidboot.h>
@@ -8,6 +22,7 @@
 #define modeLED 13
 //#define TEENSY
 
+
 // function definitions
 bool HandleReservedKeystrokes(HID *hid, uint8_t *buf);
 inline void SendKeysToHost (uint8_t *buf);
@@ -24,7 +39,8 @@ typedef enum
     tarmak3,
     tarmak4,
     colemak,
-    dvorak
+    dvorak,
+    workman
 } KeyboardLayout;
 
 // Keymap based on the scancodes from 4 to 57, refer to the HID usage table on the meaning of each element
@@ -35,6 +51,7 @@ PROGMEM prog_uint8_t tarmak3Keymap[] = {4, 5, 6, 7, 9, 23, 51, 11, 12, 17, 8, 15
 PROGMEM prog_uint8_t tarmak4Keymap[] = {4, 5, 6, 7, 9, 23, 51, 11, 24, 17, 8, 12, 16, 14, 28, 19, 20, 21, 22, 10, 15, 25, 26, 27, 13, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 18, 52, 53, 54, 55, 56, 42};
 PROGMEM prog_uint8_t colemakKeymap[] = {4, 5, 6, 22, 9, 23, 7, 11, 24, 17, 8, 12, 16, 14, 28, 51, 20, 19, 21, 10, 15, 25, 26, 27, 13, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 18, 52, 53, 54, 55, 56, 42};
 PROGMEM prog_uint8_t dvorakKeymap[] = {4, 27, 13, 8, 55, 24, 12, 7, 6, 11, 23, 17, 16, 5, 21, 15, 52, 19, 18, 28, 10, 14, 54, 20, 9, 51, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 47, 48, 56, 46, 49, 50, 22, 45, 53, 26, 25, 29, 57};
+PROGMEM prog_uint8_t workmanKeymap[] = {4, 25, 16, 11, 21, 23, 10, 28, 24, 17, 8, 18, 15, 14, 19, 51, 20, 26, 22, 5, 9, 6, 7, 27, 13, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 12, 52, 53, 54, 55, 56, 42};
 
 
 const uint8_t *Keymap[] =
@@ -45,7 +62,8 @@ const uint8_t *Keymap[] =
     tarmak3Keymap,
     tarmak4Keymap,
     colemakKeymap,
-    dvorakKeymap
+    dvorakKeymap,
+    workmanKeymap
 };
 
 // global variables
@@ -210,6 +228,12 @@ bool HandleReservedKeystrokes(HID *hid, uint8_t *buf) // return true if it is a
                 digitalWrite(modeLED, HIGH);
                 LatchKey(buf[keyPosition]);
                 return true;
+                
+            case 0x24:    // 7
+                CurrentLayout = workman;
+                digitalWrite(modeLED, HIGH);
+                LatchKey(buf[keyPosition]);
+                return true;
 
             case 0x2c:    // space bar
                 play_word_game();
@@ -321,9 +345,6 @@ uint32_t next_time;
 
 KbdRptParser Prs;
 
-
-  
-  
   
   
 void setup()
@@ -360,4 +381,3 @@ void loop()
     Usb.Task();
     
 }
-