fix confusion in man page

(I was going to fix "along" to "along with" which was pretty clearly the
original intent, but then I realized that it would be confusing whether
it's only bad when you use several of them in conjunction, or what. So
hopefully this fix is clearer.)

doc/tor.1.txt

@@ -1215,8 +1215,8 @@ The following options are useful only for clients (that is, if
         nodes via this connection.
     **UseIPv4Cache**;;
         Tells the client to use any cached IPv4 DNS answers we have when making
-        requests via this connection. (NOTE: This option, along UseIPv6Cache
-        and UseDNSCache, can harm your anonymity, and probably
+        requests via this connection. (NOTE: This option, or UseIPv6Cache
+        or UseDNSCache, can harm your anonymity, and probably
         won't help performance as much as you might expect. Use with care!)
     **UseIPv6Cache**;;
         Tells the client to use any cached IPv6 DNS answers we have when making