diff --git a/display_lib/copyright.txt b/display_lib/copyright.txt
index 5d4adad..e3a15e9 100644
--- a/display_lib/copyright.txt
+++ b/display_lib/copyright.txt
@@ -1,2 +1,4 @@
 Code by Pierre-Yves Rollo (pyrollo)
-
+Contributors:
+(gpcf): Compatibility with signs lib
+(Thomas--S): Fix /clearobjects bug
diff --git a/font_lib/copyright.txt b/font_lib/copyright.txt
index eb0ec6a..ceb5446 100644
--- a/font_lib/copyright.txt
+++ b/font_lib/copyright.txt
@@ -1,2 +1,3 @@
 Code by Pierre-Yves Rollo (pyrollo)
-Textures by Vanessa Ezekowitz (VanessaE)
+Contributors:
+Andrzej Pieńkowski (apienk): Unicode support and tool for creating texturess
diff --git a/ontime_clocks/copyright.txt b/ontime_clocks/copyright.txt
index b752dff..a2afd94 100644
--- a/ontime_clocks/copyright.txt
+++ b/ontime_clocks/copyright.txt
@@ -1,4 +1,8 @@
 Code, Textures and Models by Pierre-Yves Rollo (pyrollo)
-intllib support (i18n) by fat115
+intllib support (i18n) by (fat115)
 intllib fallback code and tools by Diego Martínez (kaeza)
-
+Extra contibutors:
+(Thomas--S)
+Translations:
+Muhammad Nur Hidayat Yasuyoshi (MuhdNurHidayat)
+(fat115)
diff --git a/signs/copyright.txt b/signs/copyright.txt
index d6f87c4..9e3b294 100644
--- a/signs/copyright.txt
+++ b/signs/copyright.txt
@@ -1,4 +1,10 @@
 Code, Textures and Models by Pierre-Yves Rollo (pyrollo)
-intllib support (i18n) by fat115
+intllib support (i18n) by (fat115)
 intllib fallback code and tools by Diego Martínez (kaeza)
-Extra contributors : (gpcf)
+Extra contributors: 
+(gpcf)
+(Thomas--S)
+Translations: 
+Muhammad Nur Hidayat Yasuyoshi (MuhdNurHidayat)
+(fat115)
+
diff --git a/signs_road/copyright.txt b/signs_road/copyright.txt
index c53bf3d..bb7adc8 100644
--- a/signs_road/copyright.txt
+++ b/signs_road/copyright.txt
@@ -1,5 +1,9 @@
 Code, Textures and Models by Pierre-Yves Rollo (pyrollo)
-intllib support (i18n) by fat115
+intllib support (i18n) by (fat115)
 intllib fallback code and tools by Diego Martínez (kaeza)
-Extra contributors : (gpcf)
-
+Extra contributors:
+(gpcf)
+(Thomas--S)
+Translations:
+Muhammad Nur Hidayat Yasuyoshi (MuhdNurHidayat)
+(fat115)
diff --git a/steles/copyright.txt b/steles/copyright.txt
index 63371e7..1a4e167 100644
--- a/steles/copyright.txt
+++ b/steles/copyright.txt
@@ -1 +1,9 @@
 Code by Pierre-Yves Rollo
+intllib support (i18n) by (fat115)
+intllib fallback code and tools by Diego Martínez (kaeza)
+Extra contibutors:
+(Thomas--S)
+Translations:
+Muhammad Nur Hidayat Yasuyoshi (MuhdNurHidayat)
+(fat115)
+