wrong code in README

[EaVanCN]

Documentation Is:

• Missing
• Needed
• Confusing
• [ x ] Not Sure?

Please Explain in Detail...

In the part of README.md about the 'url' parameter, the variable used in the filter url () should be wrong, and the 'path' should be 'url'

Your Proposal for Changes

[alexander-akait]

Can you provide a place? Do you want to send a PR?