diff --git a/lang/fr.json b/lang/fr.json
index 290c767..2966570 100644
--- a/lang/fr.json
+++ b/lang/fr.json
@@ -27,10 +27,10 @@
     "category:internet": "Internet",
     "category:leisure": "Loisirs",
     "category:military": "Militaire",
-    "category:mtb-routes": "",
+    "category:mtb-routes": "Itinéraires de VTT",
     "category:natural": "Éléments naturels",
     "category:other": "Autres",
-    "category:outdoor": "",
+    "category:outdoor": "Activités de plein air",
     "category:phone": "Téléphone",
     "category:places": "Lieux",
     "category:places_geo": "Lieux",
@@ -44,7 +44,7 @@
     "category:public": "Services Publics",
     "category:railway-electrification": "Puissance électrique ferroviaire",
     "category:railway-infrastructure": "Infrastructure ferroviaire",
-    "category:railway-routes": "",
+    "category:railway-routes": "Lignes ferroviaires",
     "category:religion": "Religion",
     "category:residential": "Zones résidentielles",
     "category:resources": "Extraction des ressources",