diff --git a/Makefile b/Makefile
index 6f5a104..fd2f8a0 100644
--- a/Makefile
+++ b/Makefile
@@ -33,7 +33,7 @@ MB_I18N_MAKE_CHECK_ARG5 = 引数 五 がありません
 MB_I18N_MSXHUB_FILE_FETCH = コンピューターハブファイルを取得する
 MB_I18N_MSXROM_FILE_FETCH = 読み取り専用メモリファイルを取得する
 MB_I18N_OPENMSX_STARTUP = オープンメッカシステムを開始
-MB_I18N_OS_ECHO_CRAYON = ©Δ∞ 仙上主天
+MB_I18N_OS_CRAYON_TAG = ©Δ∞ 仙上主天
 MB_I18N_PROJ_STEP_BEFORE = フェーズ前
 MB_I18N_PROJ_STEP_AFTER = フェーズ後
 MB_I18N_PROJ_STEP_DONE = プライムパイターゲットの実行を終了しました
diff --git a/lib/make/mb_i18n.mk b/lib/make/mb_i18n.mk
index fc283f5..25629b1 100644
--- a/lib/make/mb_i18n.mk
+++ b/lib/make/mb_i18n.mk
@@ -35,8 +35,8 @@ $(call mb_make_call,mb_doc_variable_i18n,MB_I18N_MSXROM_FILE_FETCH,"Message for
 MB_I18N_OPENMSX_STARTUP ?= Start openMSX! for
 $(call mb_make_call,mb_doc_variable_i18n,MB_I18N_OPENMSX_STARTUP,"Message used on startup of openMSX.")
 
-MB_I18N_OS_ECHO_CRAYON ?= ===
-$(call mb_make_call,mb_doc_variable_i18n,MB_I18N_OS_ECHO_CRAYON,"Crayon marker for result step output echo's.")
+MB_I18N_OS_CRAYON_TAG ?= ===
+$(call mb_make_call,mb_doc_variable_i18n,MB_I18N_OS_CRAYON_TAG,"Crayon tag colored prefix to a message.")
 
 MB_I18N_PROJ_STEP_BEFORE ?= Before --
 $(call mb_make_call,mb_doc_variable_i18n,MB_I18N_PROJ_STEP_BEFORE,"Prefix for begin phase message.")
diff --git a/lib/make/mb_os.mk b/lib/make/mb_os.mk
index bc43b87..9366c2e 100644
--- a/lib/make/mb_os.mk
+++ b/lib/make/mb_os.mk
@@ -24,8 +24,8 @@ $(call mb_make_call,mb_doc_variable_rock,MB_OS_SEP,"Native OS path seperator.")
 MB_OS_CACHE ?= ~/.cache
 $(call mb_make_call,mb_doc_variable_rock,MB_OS_CACHE,"Native OS application cache folder.")
 
-MB_OS_COLORS ?= $(shell tput colors 2> /dev/null;test $$? -eq 0 || echo "-1")
-$(call mb_make_call,mb_doc_variable_rock,MB_OS_COLORS,"Native OS terminal color count support.")
+MB_OS_TERM_COLORS ?= $(shell tput colors 2> /dev/null;test $$? -eq 0 || echo "-1")
+$(call mb_make_call,mb_doc_variable_rock,MB_OS_TERM_COLORS,"Native OS terminal color count support.")
 
 
 ifdef OS
@@ -67,44 +67,44 @@ endef
 $(call mb_make_call,mb_doc_function,mb_os_file_copy,"Copy an file.","<in> <out>")
 
 
-define mb_os_echo_color
-$(MB__　　　　)$(if $(filter -1,$(MB_OS_COLORS)),@echo $(MB_I18N_OS_ECHO_CRAYON) $(2),@echo -e "\x1B[$(1)m$(MB_I18N_OS_ECHO_CRAYON)\x1B[39m $(2)")
+define mb_os_crayon_tagged_echo
+$(MB__　　　　)$(if $(filter -1,$(MB_OS_TERM_COLORS)),@echo $(MB_I18N_OS_CRAYON_TAG) $(2),@echo -e "\x1B[$(1)m$(MB_I18N_OS_CRAYON_TAG)\x1B[39m $(2)")
 endef
-$(call mb_make_call,mb_doc_function_deep,mb_os_echo_color,"Echo's an message to stdout with ansi color code.","<color-code> <message>")
+$(call mb_make_call,mb_doc_function_deep,mb_os_crayon_tagged_echo,"Echo's an prefixed message to stdout with ansi color code.","<color-code> <message>")
 
 
 define mb_os_echo_fail
-$(MB__　　　　)$(call mb_make_call,mb_os_echo_color,31,$(1))
+$(MB__　　　　)$(call mb_make_call,mb_os_crayon_tagged_echo,31,$(1))
 endef
 $(call mb_make_call,mb_doc_function_deep,mb_os_echo_fail,"Echo's an message to stdout with 'red' crayon.","<message>")
 
 
 define mb_os_echo_good
-$(MB__　　　　)$(call mb_make_call,mb_os_echo_color,32,$(1))
+$(MB__　　　　)$(call mb_make_call,mb_os_crayon_tagged_echo,32,$(1))
 endef
 $(call mb_make_call,mb_doc_function_deep,mb_os_echo_good,"Echo's an message to stdout with 'green' crayon.","<message>")
 
 
 define mb_os_echo_assert
-$(MB__　　　　)$(call mb_make_call,mb_os_echo_color,33,$(1))
+$(MB__　　　　)$(call mb_make_call,mb_os_crayon_tagged_echo,33,$(1))
 endef
 $(call mb_make_call,mb_doc_function_deep,mb_os_echo_assert,"Echo's an message to stdout with 'yellow' crayon.","<message>")
 
 
 define mb_os_echo_command
-$(MB__　　　　)$(call mb_make_call,mb_os_echo_color,34,$(1))
+$(MB__　　　　)$(call mb_make_call,mb_os_crayon_tagged_echo,34,$(1))
 endef
 $(call mb_make_call,mb_doc_function_deep,mb_os_echo_command,"Echo's an message to stdout with 'blue' crayon.","<message>")
 
 
 define mb_os_echo_phase
-$(MB__　　　　)$(call mb_make_call,mb_os_echo_color,35,$(1))
+$(MB__　　　　)$(call mb_make_call,mb_os_crayon_tagged_echo,35,$(1))
 endef
 $(call mb_make_call,mb_doc_function_deep,mb_os_echo_phase,"Echo's an message to stdout with 'magenta' crayon.","<message>")
 
 
 define mb_os_echo_alert
-$(MB__　　　　)$(call mb_make_call,mb_os_echo_color,36,$(1))
+$(MB__　　　　)$(call mb_make_call,mb_os_crayon_tagged_echo,36,$(1))
 endef
 $(call mb_make_call,mb_doc_function_deep,mb_os_echo_alert,"Echo's an message to stdout with 'cyan' crayon.","<message>")