diff --git a/WireGuard/WireGuard/Base.lproj/Localizable.strings b/WireGuard/WireGuard/Base.lproj/Localizable.strings
index 29fd7cb..15ef50b 100644
--- a/WireGuard/WireGuard/Base.lproj/Localizable.strings
+++ b/WireGuard/WireGuard/Base.lproj/Localizable.strings
@@ -26,8 +26,8 @@
 "alertImportedFromZipTitle (%d)" = "Created %d tunnels";
 "alertImportedFromZipMessage (%1$d of %2$d)" = "Created %1$d of %2$d tunnels from zip archive";
 
-"alertUnableToImportTitle" = "Unable to import tunnel";
-"alertUnableToImportMessage" = "An error occured when importing the tunnel configuration.";
+"alertBadConfigImportTitle" = "Unable to import tunnel";
+"alertBadConfigImportMessage (%@)" = "The file ‘%@’ does not contain a valid WireGuard configuration";
 
 // Tunnel detail and edit UI
 
diff --git a/WireGuard/WireGuard/UI/TunnelImporter.swift b/WireGuard/WireGuard/UI/TunnelImporter.swift
index 0bf76e5..2c88219 100644
--- a/WireGuard/WireGuard/UI/TunnelImporter.swift
+++ b/WireGuard/WireGuard/UI/TunnelImporter.swift
@@ -41,7 +41,7 @@ class TunnelImporter {
                     }
                 }
             } else {
-                errorPresenterType.showErrorAlert(title: tr("alertUnableToImportTitle"), message: tr("alertUnableToImportMessage"),
+                errorPresenterType.showErrorAlert(title: tr("alertBadConfigImportTitle"), message: tr(format: "alertBadConfigImportMessage (%@)", fileName),
                                               from: sourceVC, onPresented: completionHandler)
             }
         }