Try entering a real word instead of one letter in the SEO Keyword field.
Alex is correct, entering SEO keywords is the only configuration needed in Smith Cart.
Also, you can check the following items in your environment that may be effectingthe friendly URL setup in your portal:
- Check your IIS friendly URL setup.
- Check your friendly URL setup in your Web.config
- Check your friendly URL setup in DNN
- Check your DNN portal for any other friendly URL DNN modules