fix map.min_pair document (#601)
fix map.min_pair document (#601)

Signed-off-by: Elliot Jackson <dee6300e151043f915cc24dbc1409935bc4ae592@buf.build>
Co-authored-by: Elliot Jackson <dee6300e151043f915cc24dbc1409935bc4ae592@elliotmjackson.com>
envoyproxy/protoc-gen-validate,envoyproxy/protoc-gen-validate,envoyproxy/protoc-gen-validate,envoyproxy/protoc-gen-validate,envoyproxy/protoc-gen-validate