diff --git a/changelog.d/1037.improvements b/changelog.d/1037.improvements
new file mode 100644
index 0000000000..a77945115d
--- /dev/null
+++ b/changelog.d/1037.improvements
@@ -0,0 +1 @@
+Améliorer la compréhension du fonctionnement de la fonctionnalité notification par courriel.
\ No newline at end of file
diff --git a/library/ui-strings/src/main/res/values-fr/strings_tchap.xml b/library/ui-strings/src/main/res/values-fr/strings_tchap.xml
index 23579117e4..c00f8ce80d 100644
--- a/library/ui-strings/src/main/res/values-fr/strings_tchap.xml
+++ b/library/ui-strings/src/main/res/values-fr/strings_tchap.xml
@@ -111,6 +111,7 @@
     <string name="tchap_settings_hide_from_users_directory_title">Inscrire mon compte sur liste rouge</string>
     <string name="tchap_settings_hide_from_users_directory_summary">Les autres utilisateurs ne pourront pas découvrir mon compte lors de leurs recherches</string>
     <string name="tchap_settings_show_external_user_in_users_directory_prompt">Pour désactiver cette option, vous devez accepter que votre adresse e\u2011mail soit visible des autres utilisateurs lors de leurs recherches.</string>
+    <string name="tchap_settings_notification_emails_summary">Recevez un e\u2011mail si au moins un message reste non lu pendant 72h.</string>
 
     <!-- Verification -->
     <string name="tchap_verification_conclusion_not_secure">La vérification de votre nouvelle session a échoué.</string>
diff --git a/library/ui-strings/src/main/res/values/strings_tchap.xml b/library/ui-strings/src/main/res/values/strings_tchap.xml
index c65803d58e..61eb61a9be 100644
--- a/library/ui-strings/src/main/res/values/strings_tchap.xml
+++ b/library/ui-strings/src/main/res/values/strings_tchap.xml
@@ -111,6 +111,7 @@
     <string name="tchap_settings_hide_from_users_directory_title">Subscribe to the red list.</string>
     <string name="tchap_settings_hide_from_users_directory_summary">"Other users won't be able to find my account in their search results."</string>
     <string name="tchap_settings_show_external_user_in_users_directory_prompt">To disable this option, you must accept that your email address is visible to the other users.</string>
+    <string name="tchap_settings_notification_emails_summary">Receive an email if at least one message has not been read for 72 hours.</string>
 
     <!-- Verification -->
     <string name="tchap_verification_conclusion_not_secure">Failed to verify your new session.</string>
diff --git a/vector/src/main/java/im/vector/app/features/settings/notifications/VectorSettingsNotificationFragment.kt b/vector/src/main/java/im/vector/app/features/settings/notifications/VectorSettingsNotificationFragment.kt
index db340c3e73..5d126eda09 100644
--- a/vector/src/main/java/im/vector/app/features/settings/notifications/VectorSettingsNotificationFragment.kt
+++ b/vector/src/main/java/im/vector/app/features/settings/notifications/VectorSettingsNotificationFragment.kt
@@ -269,6 +269,8 @@ class VectorSettingsNotificationFragment :
                 emails.forEach { (emailPid, isEnabled) ->
                     val pref = VectorSwitchPreference(requireContext())
                     pref.title = resources.getString(R.string.settings_notification_emails_enable_for_email, emailPid.email)
+                    // Tchap: Add notification email description
+                    pref.summary = resources.getString(R.string.tchap_settings_notification_emails_summary)
                     pref.isChecked = isEnabled
                     pref.setTransactionalSwitchChangeListener(lifecycleScope) { isChecked ->
                         if (isChecked) {