Traduction: "crédit" et "credit" au singulier

src/locale/messages.en.json

@@ -158,7 +158,7 @@
     "INFO_SETUP_PRECISION_AFFICHAGE": "Display accuracy",
     "INFO_SETUP_PRECISION_CALCUL": "Computation accuracy",
     "INFO_SETUP_TITLE": "Application setup",
-    "INFO_THEME_CREDITS": "Credits",
+    "INFO_THEME_CREDITS": "Credit",
     "INFO_THEME_PASSE_A_BASSIN_TITRE": "Basin pass",
     "INFO_THEME_PASSE_A_BASSIN_DESCRIPTION": "A great pass with a great basin",
     "INFO_THEME_PASSE_NATURELLE_TITRE": "Natural pass",

src/locale/messages.fr.json

@@ -158,7 +158,7 @@
     "INFO_SETUP_PRECISION_AFFICHAGE": "Précision d'affichage",
     "INFO_SETUP_PRECISION_CALCUL": "Précision de calcul",
     "INFO_SETUP_TITLE": "Paramètres de l'application",
-    "INFO_THEME_CREDITS": "Crédits",
+    "INFO_THEME_CREDITS": "Crédit",
     "INFO_THEME_PASSE_A_BASSIN_TITRE": "Passe à bassin",
     "INFO_THEME_PASSE_A_BASSIN_DESCRIPTION": "Une super passe avec un super bassin",
     "INFO_THEME_PASSE_NATURELLE_TITRE": "Passe naturelle",