diff --git a/libdiscover/backends/PackageKitBackend/PackageKitMessages.cpp b/libdiscover/backends/PackageKitBackend/PackageKitMessages.cpp
--- a/libdiscover/backends/PackageKitBackend/PackageKitMessages.cpp
+++ b/libdiscover/backends/PackageKitBackend/PackageKitMessages.cpp
@@ -157,7 +157,7 @@
         case PackageKit::Transaction::ErrorInstallRootInvalid:
             return i18n("Install root is invalid");
         case PackageKit::Transaction::ErrorCannotFetchSources:
-            return i18n("Cannot fetch sources");
+            return i18nc("Failed to sync your Linux distro repositories or other sources of packages", "Cannot fetch sources");
         case PackageKit::Transaction::ErrorCancelledPriority:
             return i18n("Canceled priority");
         case PackageKit::Transaction::ErrorUnfinishedTransaction: