diff --git a/src/i18n/messages/ar.json b/src/i18n/messages/ar.json
index 07be742..bee8b88 100644
--- a/src/i18n/messages/ar.json
+++ b/src/i18n/messages/ar.json
@@ -1,4 +1,9 @@
 {
+  "ora-grading.demoAlert.warningMessage": "Grade submission is disabled in the Demo mode of the new ORA Staff Grader.",
+  "ora-grading.demoAlert.confirm": "Confirm",
+  "ora-grading.demoAlert.title": "Demo submit prevented",
+  "ora-grading.ReviewModal.demoHeading": "Demo Mode",
+  "ora-grading.ReviewModal.demoMessage": "You are using the Demo Mode of the new Enhanced ORA Staff Grader interface.  You will be unable to submit grades until you activate the feature.",
   "ora-grading.FilePopoverContent.filePopoverNameTitle": "File Name",
   "ora-grading.FilePopoverCellContent.filePopoverDescriptionTitle": "File Description",
   "ora-grading.FilePopoverCellContent.fileSizeTitle": "File Size",
@@ -71,6 +76,7 @@
   "ora-grading.ReviewModal.goBack": "Go back",
   "ora-grading.ReviewModal.CloseReviewConfirmModal.confirmText": "Close Modal",
   "ora-grading.ReviewModal.loadingResponse": "Loading response",
+  "ora-grading.ReviewModal.demoTitleMessage": "Grading Demo",
   "ora-grading.ReviewModal.loadErrorHeading": "Error loading submissions",
   "ora-grading.ReviewModal.loadErrorMessage1": "An error occurred while loading this submission.  Try reloading this submission.",
   "ora-grading.ReviewModal.reloadSubmission": "Reload submission",
diff --git a/src/i18n/messages/es_419.json b/src/i18n/messages/es_419.json
index 05f4b51..f64d523 100644
--- a/src/i18n/messages/es_419.json
+++ b/src/i18n/messages/es_419.json
@@ -1,4 +1,9 @@
 {
+  "ora-grading.demoAlert.warningMessage": "Grade submission is disabled in the Demo mode of the new ORA Staff Grader.",
+  "ora-grading.demoAlert.confirm": "Confirm",
+  "ora-grading.demoAlert.title": "Demo submit prevented",
+  "ora-grading.ReviewModal.demoHeading": "Demo Mode",
+  "ora-grading.ReviewModal.demoMessage": "You are using the Demo Mode of the new Enhanced ORA Staff Grader interface.  You will be unable to submit grades until you activate the feature.",
   "ora-grading.FilePopoverContent.filePopoverNameTitle": "Nombre de archivo",
   "ora-grading.FilePopoverCellContent.filePopoverDescriptionTitle": "Descripción del archivo",
   "ora-grading.FilePopoverCellContent.fileSizeTitle": "Tamaño del archivo",
@@ -71,6 +76,7 @@
   "ora-grading.ReviewModal.goBack": "Volver",
   "ora-grading.ReviewModal.CloseReviewConfirmModal.confirmText": "Cerrar modal",
   "ora-grading.ReviewModal.loadingResponse": "Respuesta de carga",
+  "ora-grading.ReviewModal.demoTitleMessage": "Grading Demo",
   "ora-grading.ReviewModal.loadErrorHeading": "Error al cargar envíos",
   "ora-grading.ReviewModal.loadErrorMessage1": "Ocurrió un error al cargar este envío. Intente volver a cargar este envío.",
   "ora-grading.ReviewModal.reloadSubmission": "Recargar envío",
diff --git a/src/i18n/messages/fr.json b/src/i18n/messages/fr.json
index 647cf83..f66dacc 100644
--- a/src/i18n/messages/fr.json
+++ b/src/i18n/messages/fr.json
@@ -1,4 +1,9 @@
 {
+  "ora-grading.demoAlert.warningMessage": "Grade submission is disabled in the Demo mode of the new ORA Staff Grader.",
+  "ora-grading.demoAlert.confirm": "Confirm",
+  "ora-grading.demoAlert.title": "Demo submit prevented",
+  "ora-grading.ReviewModal.demoHeading": "Demo Mode",
+  "ora-grading.ReviewModal.demoMessage": "You are using the Demo Mode of the new Enhanced ORA Staff Grader interface.  You will be unable to submit grades until you activate the feature.",
   "ora-grading.FilePopoverContent.filePopoverNameTitle": "Nom du fichier",
   "ora-grading.FilePopoverCellContent.filePopoverDescriptionTitle": "Description du fichier",
   "ora-grading.FilePopoverCellContent.fileSizeTitle": "Taille du fichier",
@@ -71,6 +76,7 @@
   "ora-grading.ReviewModal.goBack": "Retour",
   "ora-grading.ReviewModal.CloseReviewConfirmModal.confirmText": "Fermer le modal",
   "ora-grading.ReviewModal.loadingResponse": "Chargement de la réponse",
+  "ora-grading.ReviewModal.demoTitleMessage": "Grading Demo",
   "ora-grading.ReviewModal.loadErrorHeading": "Erreur lors du chargement des soumissions",
   "ora-grading.ReviewModal.loadErrorMessage1": "Une erreur s'est produite lors du chargement de cette soumission. Essayez de recharger cette soumission.",
   "ora-grading.ReviewModal.reloadSubmission": "Recharger la soumission",
diff --git a/src/i18n/messages/zh_CN.json b/src/i18n/messages/zh_CN.json
index 07be742..bee8b88 100644
--- a/src/i18n/messages/zh_CN.json
+++ b/src/i18n/messages/zh_CN.json
@@ -1,4 +1,9 @@
 {
+  "ora-grading.demoAlert.warningMessage": "Grade submission is disabled in the Demo mode of the new ORA Staff Grader.",
+  "ora-grading.demoAlert.confirm": "Confirm",
+  "ora-grading.demoAlert.title": "Demo submit prevented",
+  "ora-grading.ReviewModal.demoHeading": "Demo Mode",
+  "ora-grading.ReviewModal.demoMessage": "You are using the Demo Mode of the new Enhanced ORA Staff Grader interface.  You will be unable to submit grades until you activate the feature.",
   "ora-grading.FilePopoverContent.filePopoverNameTitle": "File Name",
   "ora-grading.FilePopoverCellContent.filePopoverDescriptionTitle": "File Description",
   "ora-grading.FilePopoverCellContent.fileSizeTitle": "File Size",
@@ -71,6 +76,7 @@
   "ora-grading.ReviewModal.goBack": "Go back",
   "ora-grading.ReviewModal.CloseReviewConfirmModal.confirmText": "Close Modal",
   "ora-grading.ReviewModal.loadingResponse": "Loading response",
+  "ora-grading.ReviewModal.demoTitleMessage": "Grading Demo",
   "ora-grading.ReviewModal.loadErrorHeading": "Error loading submissions",
   "ora-grading.ReviewModal.loadErrorMessage1": "An error occurred while loading this submission.  Try reloading this submission.",
   "ora-grading.ReviewModal.reloadSubmission": "Reload submission",