Update README.md

README.md

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-Auto-configurator of ipv4 → ipv6 http proxy. Redirect connections from different ports on one ipv4 address to unique random ipv6 address from \64 subnetwork
+Auto-configurator of ipv4 → ipv6 http proxy. Redirect connections from different ports at one ipv4 address to unique random ipv6 address from \64 subnetwork
 
 ![cover](cover.svg)