ios: fix typo, add information to settings (#958)

apps/ios/Shared/Views/UserSettings/CallSettings.swift

@@ -14,8 +14,16 @@ struct CallSettings: View {
     var body: some View {
         VStack {
             List {
-                Section("Settings") {
+                Section {
                     Toggle("Connect via relay", isOn: $webrtcPolicyRelay)
+                } header: {
+                    Text("Settings")
+                } footer: {
+                    if webrtcPolicyRelay {
+                        Text("Relay server protects your IP address, but it can observe the duration of the call.")
+                    } else {
+                        Text("Relay server is only used if necessary. Another party can observe your IP address.")
+                    }
                 }
 
                 Section("Limitations") {

apps/ios/Shared/Views/UserSettings/NetworkAndServers.swift

@@ -32,7 +32,7 @@ struct NetworkAndServers: View {
     var body: some View {
         VStack {
             List {
-                Section("") {
+                Section {
                     NavigationLink {
                         SMPServers()
                             .navigationTitle("Your SMP servers")
@@ -52,6 +52,10 @@ struct NetworkAndServers: View {
                             settingsRow("app.connected.to.app.below.fill") { Text("Advanced network settings") }
                         }
                     }
+                } header: {
+                    Text("")
+                } footer: {
+                    Text("Using .onion hosts requires compatible VPN provider.")
                 }
             }
         }

apps/ios/SimpleXChat/APITypes.swift

@@ -561,7 +561,7 @@ public enum OnionHosts: String, Identifiable {
         switch self {
         case .no: return "No"
         case .prefer: return "When available"
-        case .require: return "Requred"
+        case .require: return "Required"
         }
     }