Update cmd/root.go

Co-authored-by: Sarah Vessels <[email protected]>

cmd/root.go

@@ -27,7 +27,7 @@ func NewRootCommand() *cobra.Command {
 
 			To see a list of all available commands, run %[1]sgh models help%[1]s. To run the extension in
 			interactive mode, run %[1]sgh models run%[1]s. This will prompt you to select a model and then
-			to enter a prompt. The extension will then return a response from the model.
+			enter a prompt. The extension will then return a response from the model.
 
 			For more information about what you can do with GitHub Models extension, see the manual
 			at https://cli.github.com/manual/gh_models