diff --git a/src/locale/messages.fr.json b/src/locale/messages.fr.json
index d8ef7ba4a7f39e346ac86fb432764de0e271e4e1..0336da276707e18bbb46a3972b5ff18d68ed58e3 100644
--- a/src/locale/messages.fr.json
+++ b/src/locale/messages.fr.json
@@ -73,6 +73,7 @@
     "INFO_EXTRARES_LIB_YN": "Tirant d'eau normal (m)",
     "INFO_EXTRARES_LIB_YT": "Tirant d'eau torrentiel (m)",
     "INFO_LECHAPTCALMON_TITRE": "Lechapt-Calmon",
+    "INFO_LIB_BT": "Demi-ouverture du triangle (m)",
     "INFO_LIB_FS_PARAM_CALC": "Paramètres de calcul",
     "INFO_LIB_FS_OUVRAGE": "Ouvrage",
     "INFO_LIB_PR": "Précision de calcul",
@@ -86,6 +87,7 @@
     "INFO_LIB_ALPHA": "Coefficient alpha",
     "INFO_LIB_BETA": "Coefficient béta",
     "INFO_LIB_ZRAM": "Cote du radier amont (m)",
+    "INFO_LIB_ZT": "Cote haute du triangle (m)",
     "INFO_MENU_NOUVELLE_CALC": "Nouvelle calculette",
     "INFO_OPTION_NO": "Non",
     "INFO_OPTION_YES": "Oui",