diff --git a/datas/languages/en/commons.lua b/datas/languages/en/commons.lua
index 54583fd..9911320 100644
--- a/datas/languages/en/commons.lua
+++ b/datas/languages/en/commons.lua
@@ -2,4 +2,6 @@ return {
   ["exit"]    = "Exit",
   ["back"]    = "Back",
   ["options"] = "Options",
+  ['true']    = "True",
+  ["false"]   = "False",
 }
diff --git a/datas/languages/en/options.lua b/datas/languages/en/options.lua
index cb9affb..2e5406e 100644
--- a/datas/languages/en/options.lua
+++ b/datas/languages/en/options.lua
@@ -7,4 +7,5 @@ return {
   ["fullscreen"]  = "Fullscreen",
   ["borders"]     = "Borders",
   ["vsync"]       = "V-Sync",
+  ["back"]        = "Back",
 }
diff --git a/datas/languages/fr/commons.lua b/datas/languages/fr/commons.lua
index 8d1afab..9681e6c 100644
--- a/datas/languages/fr/commons.lua
+++ b/datas/languages/fr/commons.lua
@@ -2,4 +2,6 @@ return {
   ["exit"]    = "Quitter",
   ["back"]    = "Retour",
   ["options"] = "Paramètres",
+  ['true']    = "Vrai",
+  ["false"]   = "Faux",
 }
diff --git a/datas/languages/fr/options.lua b/datas/languages/fr/options.lua
index e4d0f7f..d0b2d8f 100644
--- a/datas/languages/fr/options.lua
+++ b/datas/languages/fr/options.lua
@@ -7,4 +7,5 @@ return {
   ["fullscreen"]  = "Plein Ecran",
   ["borders"]     = "Bordures",
   ["vsync"]       = "Sync Vert.",
+  ["back"]        = "Retour",
 }