diff --git a/src/i18n/messages/ar.json b/src/i18n/messages/ar.json
index dd1ef7abd..38d642854 100644
--- a/src/i18n/messages/ar.json
+++ b/src/i18n/messages/ar.json
@@ -2,7 +2,7 @@
   "authoring.example.hello": "Hello World!",
   "authoring.examsettings.enableproctoredexams.help": "If checked, proctored exams are enabled in your course.",
   "authoring.examsettings.allowoptout.label": "Allow Opting Out of Proctored Exams",
-  "authoring.examsettings.allowoptout.help": "\n                    If this value is \"Yes\", learners can choose to take proctored exams without proctoring. \n                    If this value is \"No\", all learners must take the exam with proctoring. \n                    This setting only applies if proctored exams are enabled for the course.\n                  ",
+  "authoring.examsettings.allowoptout.help": "\n                    If this value is \"Yes\", learners can choose to take proctored exams without proctoring. \n                    If this value is \"No\", all learners must take the exam with proctoring.\n                  ",
   "authoring.examsettings.provider.label": "Proctoring Provider",
   "authoring.examsettings.escalationemail.label": "Proctortrack Escalation Email",
   "authoring.examsettings.escalationemail.help": "\n                  Required if \"proctortrack\" is selected as your proctoring provider. Enter an email address to be \n                  contacted by the support team whenever there are escalations (e.g. appeals, delayed reviews, etc.).\n                ",
@@ -25,5 +25,35 @@
   "authoring.examsettings.error.single": "There is 1 error in this form.",
   "authoring.examsettings.escalationemail.error.multiple": "There are {numOfErrors} errors in this form.",
   "authoring.examsettings.provider.help": "Select the proctoring provider you want to use for this course run.",
-  "authoring.examsettings.provider.help.aftercoursestart": "Proctoring provider cannot be modified after course start date."
+  "authoring.examsettings.provider.help.aftercoursestart": "Proctoring provider cannot be modified after course start date.",
+  "header.links.content": "Content",
+  "header.links.settings": "Settings",
+  "header.links.content.tools": "Tools",
+  "header.links.outline": "Outline",
+  "header.links.updates": "Updates",
+  "header.links.pages": "Pages",
+  "header.links.filesAndUploads": "Files & Uploads",
+  "header.links.textbooks": "Textbooks",
+  "header.links.videoUploads": "Video Uploads",
+  "header.links.scheduleAndDetails": "Schedule & Details",
+  "header.links.grading": "Grading",
+  "header.links.courseTeam": "Course Team",
+  "header.links.groupConfigurations": "Group Configurations",
+  "header.links.proctoredExamSettings": "Proctored Exam Settings",
+  "header.links.advancedSettings": "Advanced Settings",
+  "header.links.certificates": "Certificates",
+  "header.links.publisher": "Publisher",
+  "header.links.import": "Import",
+  "header.links.export": "Export",
+  "header.links.checklists": "Checklists",
+  "header.user.menu.studio": "Studio Home",
+  "header.user.menu.maintenance": "Maintenance",
+  "header.user.menu.logout": "Logout",
+  "header.label.account.menu": "Account Menu",
+  "header.label.account.menu.for": "Account menu for {username}",
+  "header.label.main.nav": "Main",
+  "header.label.main.menu": "Main Menu",
+  "header.label.main.header": "Main",
+  "header.label.secondary.nav": "Secondary",
+  "header.label.courseOutline": "Back to course outline in Studio"
 }
\ No newline at end of file
diff --git a/src/i18n/messages/es_419.json b/src/i18n/messages/es_419.json
index dd1ef7abd..38d642854 100644
--- a/src/i18n/messages/es_419.json
+++ b/src/i18n/messages/es_419.json
@@ -2,7 +2,7 @@
   "authoring.example.hello": "Hello World!",
   "authoring.examsettings.enableproctoredexams.help": "If checked, proctored exams are enabled in your course.",
   "authoring.examsettings.allowoptout.label": "Allow Opting Out of Proctored Exams",
-  "authoring.examsettings.allowoptout.help": "\n                    If this value is \"Yes\", learners can choose to take proctored exams without proctoring. \n                    If this value is \"No\", all learners must take the exam with proctoring. \n                    This setting only applies if proctored exams are enabled for the course.\n                  ",
+  "authoring.examsettings.allowoptout.help": "\n                    If this value is \"Yes\", learners can choose to take proctored exams without proctoring. \n                    If this value is \"No\", all learners must take the exam with proctoring.\n                  ",
   "authoring.examsettings.provider.label": "Proctoring Provider",
   "authoring.examsettings.escalationemail.label": "Proctortrack Escalation Email",
   "authoring.examsettings.escalationemail.help": "\n                  Required if \"proctortrack\" is selected as your proctoring provider. Enter an email address to be \n                  contacted by the support team whenever there are escalations (e.g. appeals, delayed reviews, etc.).\n                ",
@@ -25,5 +25,35 @@
   "authoring.examsettings.error.single": "There is 1 error in this form.",
   "authoring.examsettings.escalationemail.error.multiple": "There are {numOfErrors} errors in this form.",
   "authoring.examsettings.provider.help": "Select the proctoring provider you want to use for this course run.",
-  "authoring.examsettings.provider.help.aftercoursestart": "Proctoring provider cannot be modified after course start date."
+  "authoring.examsettings.provider.help.aftercoursestart": "Proctoring provider cannot be modified after course start date.",
+  "header.links.content": "Content",
+  "header.links.settings": "Settings",
+  "header.links.content.tools": "Tools",
+  "header.links.outline": "Outline",
+  "header.links.updates": "Updates",
+  "header.links.pages": "Pages",
+  "header.links.filesAndUploads": "Files & Uploads",
+  "header.links.textbooks": "Textbooks",
+  "header.links.videoUploads": "Video Uploads",
+  "header.links.scheduleAndDetails": "Schedule & Details",
+  "header.links.grading": "Grading",
+  "header.links.courseTeam": "Course Team",
+  "header.links.groupConfigurations": "Group Configurations",
+  "header.links.proctoredExamSettings": "Proctored Exam Settings",
+  "header.links.advancedSettings": "Advanced Settings",
+  "header.links.certificates": "Certificates",
+  "header.links.publisher": "Publisher",
+  "header.links.import": "Import",
+  "header.links.export": "Export",
+  "header.links.checklists": "Checklists",
+  "header.user.menu.studio": "Studio Home",
+  "header.user.menu.maintenance": "Maintenance",
+  "header.user.menu.logout": "Logout",
+  "header.label.account.menu": "Account Menu",
+  "header.label.account.menu.for": "Account menu for {username}",
+  "header.label.main.nav": "Main",
+  "header.label.main.menu": "Main Menu",
+  "header.label.main.header": "Main",
+  "header.label.secondary.nav": "Secondary",
+  "header.label.courseOutline": "Back to course outline in Studio"
 }
\ No newline at end of file
diff --git a/src/i18n/messages/fr.json b/src/i18n/messages/fr.json
index dd1ef7abd..38d642854 100644
--- a/src/i18n/messages/fr.json
+++ b/src/i18n/messages/fr.json
@@ -2,7 +2,7 @@
   "authoring.example.hello": "Hello World!",
   "authoring.examsettings.enableproctoredexams.help": "If checked, proctored exams are enabled in your course.",
   "authoring.examsettings.allowoptout.label": "Allow Opting Out of Proctored Exams",
-  "authoring.examsettings.allowoptout.help": "\n                    If this value is \"Yes\", learners can choose to take proctored exams without proctoring. \n                    If this value is \"No\", all learners must take the exam with proctoring. \n                    This setting only applies if proctored exams are enabled for the course.\n                  ",
+  "authoring.examsettings.allowoptout.help": "\n                    If this value is \"Yes\", learners can choose to take proctored exams without proctoring. \n                    If this value is \"No\", all learners must take the exam with proctoring.\n                  ",
   "authoring.examsettings.provider.label": "Proctoring Provider",
   "authoring.examsettings.escalationemail.label": "Proctortrack Escalation Email",
   "authoring.examsettings.escalationemail.help": "\n                  Required if \"proctortrack\" is selected as your proctoring provider. Enter an email address to be \n                  contacted by the support team whenever there are escalations (e.g. appeals, delayed reviews, etc.).\n                ",
@@ -25,5 +25,35 @@
   "authoring.examsettings.error.single": "There is 1 error in this form.",
   "authoring.examsettings.escalationemail.error.multiple": "There are {numOfErrors} errors in this form.",
   "authoring.examsettings.provider.help": "Select the proctoring provider you want to use for this course run.",
-  "authoring.examsettings.provider.help.aftercoursestart": "Proctoring provider cannot be modified after course start date."
+  "authoring.examsettings.provider.help.aftercoursestart": "Proctoring provider cannot be modified after course start date.",
+  "header.links.content": "Content",
+  "header.links.settings": "Settings",
+  "header.links.content.tools": "Tools",
+  "header.links.outline": "Outline",
+  "header.links.updates": "Updates",
+  "header.links.pages": "Pages",
+  "header.links.filesAndUploads": "Files & Uploads",
+  "header.links.textbooks": "Textbooks",
+  "header.links.videoUploads": "Video Uploads",
+  "header.links.scheduleAndDetails": "Schedule & Details",
+  "header.links.grading": "Grading",
+  "header.links.courseTeam": "Course Team",
+  "header.links.groupConfigurations": "Group Configurations",
+  "header.links.proctoredExamSettings": "Proctored Exam Settings",
+  "header.links.advancedSettings": "Advanced Settings",
+  "header.links.certificates": "Certificates",
+  "header.links.publisher": "Publisher",
+  "header.links.import": "Import",
+  "header.links.export": "Export",
+  "header.links.checklists": "Checklists",
+  "header.user.menu.studio": "Studio Home",
+  "header.user.menu.maintenance": "Maintenance",
+  "header.user.menu.logout": "Logout",
+  "header.label.account.menu": "Account Menu",
+  "header.label.account.menu.for": "Account menu for {username}",
+  "header.label.main.nav": "Main",
+  "header.label.main.menu": "Main Menu",
+  "header.label.main.header": "Main",
+  "header.label.secondary.nav": "Secondary",
+  "header.label.courseOutline": "Back to course outline in Studio"
 }
\ No newline at end of file
diff --git a/src/i18n/messages/zh_CN.json b/src/i18n/messages/zh_CN.json
index dd1ef7abd..38d642854 100644
--- a/src/i18n/messages/zh_CN.json
+++ b/src/i18n/messages/zh_CN.json
@@ -2,7 +2,7 @@
   "authoring.example.hello": "Hello World!",
   "authoring.examsettings.enableproctoredexams.help": "If checked, proctored exams are enabled in your course.",
   "authoring.examsettings.allowoptout.label": "Allow Opting Out of Proctored Exams",
-  "authoring.examsettings.allowoptout.help": "\n                    If this value is \"Yes\", learners can choose to take proctored exams without proctoring. \n                    If this value is \"No\", all learners must take the exam with proctoring. \n                    This setting only applies if proctored exams are enabled for the course.\n                  ",
+  "authoring.examsettings.allowoptout.help": "\n                    If this value is \"Yes\", learners can choose to take proctored exams without proctoring. \n                    If this value is \"No\", all learners must take the exam with proctoring.\n                  ",
   "authoring.examsettings.provider.label": "Proctoring Provider",
   "authoring.examsettings.escalationemail.label": "Proctortrack Escalation Email",
   "authoring.examsettings.escalationemail.help": "\n                  Required if \"proctortrack\" is selected as your proctoring provider. Enter an email address to be \n                  contacted by the support team whenever there are escalations (e.g. appeals, delayed reviews, etc.).\n                ",
@@ -25,5 +25,35 @@
   "authoring.examsettings.error.single": "There is 1 error in this form.",
   "authoring.examsettings.escalationemail.error.multiple": "There are {numOfErrors} errors in this form.",
   "authoring.examsettings.provider.help": "Select the proctoring provider you want to use for this course run.",
-  "authoring.examsettings.provider.help.aftercoursestart": "Proctoring provider cannot be modified after course start date."
+  "authoring.examsettings.provider.help.aftercoursestart": "Proctoring provider cannot be modified after course start date.",
+  "header.links.content": "Content",
+  "header.links.settings": "Settings",
+  "header.links.content.tools": "Tools",
+  "header.links.outline": "Outline",
+  "header.links.updates": "Updates",
+  "header.links.pages": "Pages",
+  "header.links.filesAndUploads": "Files & Uploads",
+  "header.links.textbooks": "Textbooks",
+  "header.links.videoUploads": "Video Uploads",
+  "header.links.scheduleAndDetails": "Schedule & Details",
+  "header.links.grading": "Grading",
+  "header.links.courseTeam": "Course Team",
+  "header.links.groupConfigurations": "Group Configurations",
+  "header.links.proctoredExamSettings": "Proctored Exam Settings",
+  "header.links.advancedSettings": "Advanced Settings",
+  "header.links.certificates": "Certificates",
+  "header.links.publisher": "Publisher",
+  "header.links.import": "Import",
+  "header.links.export": "Export",
+  "header.links.checklists": "Checklists",
+  "header.user.menu.studio": "Studio Home",
+  "header.user.menu.maintenance": "Maintenance",
+  "header.user.menu.logout": "Logout",
+  "header.label.account.menu": "Account Menu",
+  "header.label.account.menu.for": "Account menu for {username}",
+  "header.label.main.nav": "Main",
+  "header.label.main.menu": "Main Menu",
+  "header.label.main.header": "Main",
+  "header.label.secondary.nav": "Secondary",
+  "header.label.courseOutline": "Back to course outline in Studio"
 }
\ No newline at end of file