diff --git a/app/locale/fr.coffee b/app/locale/fr.coffee
index e94ee8fc5..42c61cfaa 100644
--- a/app/locale/fr.coffee
+++ b/app/locale/fr.coffee
@@ -1195,26 +1195,26 @@ module.exports = nativeDescription: "français", englishDescription: "French", t
     poll: "Sondage"
     user_polls_record: "Historique de sondage des utilisateurs"
 
-#  concepts:
-#    advanced_strings: "Advanced Strings"
-#    algorithms: "Algorithms"
+  concepts:
+    advanced_strings: "Chaînes de caractères avancés"
+    algorithms: "Algorithmes"
 #    arguments: "Arguments"
-#    arithmetic: "Arithmetic"
-#    arrays: "Arrays"
-#    basic_syntax: "Basic Syntax"
-#    boolean_logic: "Boolean Logic"
-#    break_statements: "Break Statements"
-#    classes: "Classes"
-#    for_loops: "For Loops"
-#    functions: "Functions"
-#    if_statements: "If Statements"
-#    input_handling: "Input Handling"
-#    math_operations: "Math Operations"
-#    object_literals: "Object Literals"
-#    strings: "Strings"
-#    variables: "Variables"
-#    vectors: "Vectors"
-#    while_loops: "Loops"
+    arithmetic: "Arithmétique"
+    arrays: "Tableaux"
+    basic_syntax: "Syntaxe basique"
+    boolean_logic: "Logique Booléenne"
+    break_statements: "Déclarations de sortie"
+    classes: "Classes"
+    for_loops: "Bloucles Pour"
+    functions: "Fonctions"
+    if_statements: "Déclarations conditionnelles Si"
+    input_handling: "Manipulation des entrées"
+    math_operations: "Opérations mathématiques"
+    object_literals: "Objets littéraux"
+    strings: "Chaînes de caractères"
+    variables: "Variables"
+    vectors: "Vecteurs"
+    while_loops: "Boucles Tant que"
 #    recursion: "Recursion"
 
   delta: