diff --git a/locales/en-US.yml b/locales/en-US.yml
index c697d8c00..b51084534 100644
--- a/locales/en-US.yml
+++ b/locales/en-US.yml
@@ -778,6 +778,13 @@ middle: "Medium"
 low: "Low"
 emailNotConfiguredWarning: "Email address not set."
 ratio: "Ratio"
+secureMode: "Secure Mode (Authorized Fetch)"
+instanceSecurity: "Instance Security"
+secureModeInfo: "When requesting from other instances, do not send back without proof. signToActivityPubGet must be true in the other instance's configuration file."
+privateMode: "Private Mode"
+privateModeInfo: "When enabled, only whitelisted instances can federate with your instances. All notes will be hidden from the public."
+allowedInstances: "Whitelisted Instances"
+allowedInstancesDescription: "Hosts of instances to be whitelisted for federation, each seperated by a new line (only applies in private mode)."
 previewNoteText: "Show preview"
 customCss: "Custom CSS"
 customCssWarn: "This setting should only be used if you know what it does. Entering improper values may cause the client to stop functioning normally."