diff --git a/src/i18n/messages/ar.json b/src/i18n/messages/ar.json
index f088c091cd..3c4cbd0162 100644
--- a/src/i18n/messages/ar.json
+++ b/src/i18n/messages/ar.json
@@ -398,7 +398,7 @@
   "learning.generic.upsell.fullAccessBullet.fullAccess": "Full access",
   "learning.generic.upsell.fullAccessBullet": "{fullAccessInBoldText} to course content and materials, even after the course ends",
   "learning.generic.upsell.supportMissionBullet.mission": "mission",
-  "learning.generic.upsell.supportMissionBullet": "ادعم {missionInBoldText} في {siteName}",
+  "learning.generic.upsell.supportMissionBullet": "Support our {missionInBoldText} at {siteName}",
   "masquerade-widget.userName.error.generic": "حدث خطأ؛ يرجى المحاولة مرة أخرى.",
   "masquerade-widget.userName.input.placeholder": "اسم المستخدم أو البريد الإلكتروني",
   "masquerade-widget.userName.input.label": "عرف كهذا المستخدم",
diff --git a/src/i18n/messages/es_419.json b/src/i18n/messages/es_419.json
index dedf285e7a..7bf0406399 100644
--- a/src/i18n/messages/es_419.json
+++ b/src/i18n/messages/es_419.json
@@ -398,7 +398,7 @@
   "learning.generic.upsell.fullAccessBullet.fullAccess": "Acceso completo",
   "learning.generic.upsell.fullAccessBullet": "{fullAccessInBoldText} al contenido y los materiales del curso, incluso después de que finalice el curso",
   "learning.generic.upsell.supportMissionBullet.mission": "misión",
-  "learning.generic.upsell.supportMissionBullet": "Apoya nuestra {missionInBoldText} en {siteName}",
+  "learning.generic.upsell.supportMissionBullet": "Support our {missionInBoldText} at {siteName}",
   "masquerade-widget.userName.error.generic": "Se ha producido un error. Inténtalo de nuevo.",
   "masquerade-widget.userName.input.placeholder": "Nombre de usuario o correo electrónico",
   "masquerade-widget.userName.input.label": "Hazte pasar por este usuario",
@@ -410,7 +410,7 @@
   "tours.button.okay": "Okey",
   "tours.button.beginTour": "Comenzar recorrido",
   "tours.button.launchTour": "gira de lanzamiento",
-  "tours.newUserModal.body": "Hagamos un recorrido rápido por {siteName} para que pueda aprovechar al máximo su curso.",
+  "tours.newUserModal.body": "Let’s take a quick tour of {siteName} so you can get the most out of your course.",
   "tours.newUserModal.title.welcome": "Te damos la bienvenida a tu",
   "tours.button.skipForNow": "Saltar por ahora ",
   "tours.datesCheckpoint.body": "Las fechas importantes pueden ayudarlo a mantenerse encaminado.",
@@ -425,9 +425,9 @@
   "tours.weeklyGoalsCheckpoint.title": "Establecer un objetivo del curso",
   "tours.newUserModal.title": "¡{welcome} curso en {siteName}!",
   "learning.effortEstimation.combinedEstimate": "{minutes} + {activities}",
-  "learning.effortEstimation.activities": "{activityCount, plural, one {# de actividades} other {# actividades}}",
-  "learning.effortEstimation.minutesAbbreviated": "{minuteCount, plural, one {# minutos} other {# min}}",
-  "learning.effortEstimation.minutesFull": "{minuteCount, plural, one {# minutos} other {# minutos}}",
+  "learning.effortEstimation.activities": "{activityCount, plural, one {# de actividades} many {# actividades} other {# actividades}}",
+  "learning.effortEstimation.minutesAbbreviated": "{minuteCount, plural, one {# minutos} many {# min} other {# min}}",
+  "learning.effortEstimation.minutesFull": "{minuteCount, plural, one {# minutos} many {# minutos} other {# minutos}}",
   "learning.streakCelebration.congratulations": "¡Felicitaciones!",
   "learning.streakCelebration.body": "Sigue así, ¡estás de buena racha!",
   "learning.streakCelebration.button": "Sigue así",
diff --git a/src/i18n/messages/fr.json b/src/i18n/messages/fr.json
index 8421d9ba34..93b7a87ac5 100644
--- a/src/i18n/messages/fr.json
+++ b/src/i18n/messages/fr.json
@@ -398,7 +398,7 @@
   "learning.generic.upsell.fullAccessBullet.fullAccess": "Accès complet",
   "learning.generic.upsell.fullAccessBullet": "{fullAccessInBoldText} au contenu et aux supports du cours, même après la fin du cours",
   "learning.generic.upsell.supportMissionBullet.mission": "mission",
-  "learning.generic.upsell.supportMissionBullet": "Supportez notre {missionInBoldText} chez {siteName}",
+  "learning.generic.upsell.supportMissionBullet": "Support our {missionInBoldText} at {siteName}",
   "masquerade-widget.userName.error.generic": "Une erreur est survenue; veuillez réessayer.",
   "masquerade-widget.userName.input.placeholder": "Nom d'utilisateur ou courriel",
   "masquerade-widget.userName.input.label": "Se faire passer pour cet utilisateur",
@@ -410,7 +410,7 @@
   "tours.button.okay": "Okay",
   "tours.button.beginTour": "Commencer la visite guidée",
   "tours.button.launchTour": "Lancer la visite guidée",
-  "tours.newUserModal.body": "Faisons une visite guidée de {siteName} afin de profiter au maximum de votre cours.",
+  "tours.newUserModal.body": "Let’s take a quick tour of {siteName} so you can get the most out of your course.",
   "tours.newUserModal.title.welcome": "Bienvenue à votre",
   "tours.button.skipForNow": "Ignorer pour l'instant",
   "tours.datesCheckpoint.body": "Dates importantes afin de vous maintenir sur la bonne voie.",
@@ -425,9 +425,9 @@
   "tours.weeklyGoalsCheckpoint.title": "Paramétrer un objectif de cours",
   "tours.newUserModal.title": "{welcome} {siteName} au cours !",
   "learning.effortEstimation.combinedEstimate": "{minutes} + {activities}",
-  "learning.effortEstimation.activities": "{activityCount, plural, one {# activité} other {# activités}}",
-  "learning.effortEstimation.minutesAbbreviated": "{minuteCount, plural, one {# min} other {# min}}",
-  "learning.effortEstimation.minutesFull": "{minuteCount, plural, one {# minute} other {# minutes}}",
+  "learning.effortEstimation.activities": "{activityCount, plural, one {# activité} many {# activités} other {# activités}}",
+  "learning.effortEstimation.minutesAbbreviated": "{minuteCount, plural, one {# min} many {# min} other {# min}}",
+  "learning.effortEstimation.minutesFull": "{minuteCount, plural, one {# minute} many {# minutes} other {# minutes}}",
   "learning.streakCelebration.congratulations": "Félicitations !",
   "learning.streakCelebration.body": "Continuez comme ça, vous êtes sur une lancée!",
   "learning.streakCelebration.button": "Continuez ainsi",