fix: displaying correct yaml config location on app start (#521)

Signed-off-by: Ali Mohsin <aliofthemohsins@gmail.com>
Co-authored-by: Alex Jones <alexsimonjones@gmail.com>

cmd/root.go

@@ -14,6 +14,7 @@ limitations under the License.
 package cmd
 
 import (
+	"fmt"
 	"os"
 	"path/filepath"
 
@@ -73,7 +74,7 @@ func init() {
 	rootCmd.AddCommand(integration.IntegrationCmd)
 	rootCmd.AddCommand(serve.ServeCmd)
 	rootCmd.AddCommand(cache.CacheCmd)
-	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.k8sgpt.yaml)")
+	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", fmt.Sprintf("Default config file (%s/k8sgpt/k8sgpt.yaml)", xdg.ConfigHome))
 	rootCmd.PersistentFlags().StringVar(&kubecontext, "kubecontext", "", "Kubernetes context to use. Only required if out-of-cluster.")
 	rootCmd.PersistentFlags().StringVar(&kubeconfig, "kubeconfig", "", "Path to a kubeconfig. Only required if out-of-cluster.")
 }