Update src/service.rs

Co-authored-by: João Oliveira <[email protected]>

src/service.rs

@@ -1562,7 +1562,7 @@ impl Service {
             match (ip_votes.majority(), is_ipv6) {
                     // We don't have enough ipv4 votes, but this is an IPv4-only node.
                     ((None, Some(_)), false) |
-                    // We don't have enough ipv6 votes, but this is an IPv6 node
+                    // We don't have enough ipv6 votes, but this is an IPv6 node.
                     ((Some(_), None), true) |
                     // We don't have enough ipv6 or ipv4 nodes, ping this peer
                     ((None, None), _,) => true,