diff --git a/src/main/resources/mapping.properties b/src/main/resources/mapping.properties
index 6bf615e1ad286dcacf52095d85b3822e9fd11224..787be18be1af7e1fda0ee4950b604011c7d3748f 100644
--- a/src/main/resources/mapping.properties
+++ b/src/main/resources/mapping.properties
@@ -1,64 +1,146 @@
+# JProperties Mapping BrailleTable
+#
+# Table: de-chardefs6
+# Version 1 Rev. 2 (19-07-11)
+#
+# Description:
+# This table contains a mapping from 6-bit-strings to decimal ascii byte values.
+# It is used by the printer backend to encode data sent to the embosser.
+# The pairs are ordered by ascending ascii byte value.
+#
+# =============================================================================
+
+# 0-31:NUL-US (non visible characters)
+# Space
+000000=32
+# !
+000010=33
+# "
+000100=34
+# #
+001111=35
+# $
+000101=36
+# %
+111111=37
+# &
+111101=38
+# '
+000001=39
+# (
+011001=40
+# )
+001011=41
+# *
+001010=42
+# +
+011010=43
+# ,
+010000=44
+# -
+001001=45
+# .
+001000=46
+# /
+010011=47
+# 0
+001101=48
+# 1
+100001=49
+# 2
+110001=50
+# 3
+100101=51
+# 4
+100111=52
+# 5
+100011=53
+# 6
+110101=54
+# 7
+110111=55
+# 8
+110011=56
+# 9
+010101=57
+# :
+010010=58
+# ;
+011000=59
+# <
+000011=60
+# =
+011011=61
+# >
+000110=62
+# ?
+010001=63
+# 64-90:@-Z
+# [
+111011=91
+# 92:\
+# 93:]
+# 94:^
+# _
+000111=95
+# `
+001110=96
+# a
 100000=97
+# b
 110000=98
+# c
 100100=99
+# d
 100110=100
+# e
 100010=101
+# f
 110100=102
+# g
 110110=103
+# h
 110010=104
+# i
 010100=105
+# j
 010110=106
+# k
 101000=107
+# l
 111000=108
+# m
 101100=109
+# n
 101110=110
+# o
 101010=111
+# p
 111100=112
+# q
 111110=113
+# r
 111010=114
+# s
 011100=115
+# t
 011110=116
+# u
 101001=117
+# v
 111001=118
+# w
+010111=119
+# x
 101101=120
+# y
 101111=121
+# z
 101011=122
-111101=38
-111111=37
-111011=91
-011101=126
+# {
 011111=123
-100001=49
-110001=50
-100101=51
-100111=52
-100011=53
-110101=54
-110111=55
-110011=56
-010101=57
-010111=119
-000000=32
-010000=44
-010010=58
-000010=33
-000100=92
-000110=62
-001000=46
-011000=59
-011010=43
-001010=42
+# |
 001100=124
-001110=96
-001001=45
-011001=40
-011011=61
-001011=41
-001101=48
-001111=35
-000001=39
-010001=63
-010011=47
-000011=60
-000101=36
-000111=95
\ No newline at end of file
+# ~
+011101=126
+# 127:DEL
\ No newline at end of file