fixing spelling on path

Signed-off-by: Alex Jones <alexsimonjones@gmail.com>

README.md

@@ -14,6 +14,9 @@ brew tap k8sgpt-ai/k8sgpt
 brew install k8sgpt
 ```
 
+_brew also enables upgrades with `brew upgrade k8sgpt`_
+
+
 * Currently the default AI provider is OpenAI, you will need to generate an API key from [OpenAI](https://openai.com)
   * You can do this by running `k8sgpt generate` to open a browser link to generate it 
 * Run `k8sgpt auth` to set it in k8sgpt.
@@ -93,7 +96,7 @@ K8sgpt is focused on triaging and diagnosing issues in your cluster. It is a too
 
 ### Configuration 
 
-`k8sgpt` stores config data in `~/.k8sgpt` the data is stored in plain text, including your OpenAI key.
+`k8sgpt` stores config data in `~/.k8sgpt.yaml` the data is stored in plain text, including your OpenAI key.
 
 ### Contributing
 

cmd/root.go

@@ -48,7 +48,7 @@ func init() {
 	rootCmd.AddCommand(auth.AuthCmd)
 	rootCmd.AddCommand(analyze.AnalyzeCmd)
 	rootCmd.AddCommand(generate.GenerateCmd)
-	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.k8sgpt.git.yaml)")
+	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.k8sgpt.yaml)")
 	rootCmd.PersistentFlags().StringVar(&masterURL, "master", "", "The address of the Kubernetes API server. Overrides any value in kubeconfig. Only required if out-of-cluster.")
 	rootCmd.PersistentFlags().StringVar(&kubeconfig, "kubeconfig", "", "Path to a kubeconfig. Only required if out-of-cluster.")
 	// Cobra also supports local flags, which will only run