[doc] Improve help for getpeerinfo connection_type field.

src/rpc/net.cpp

@@ -118,7 +118,9 @@ static RPCHelpMan getpeerinfo()
                             {RPCResult::Type::BOOL, "inbound", "Inbound (true) or Outbound (false)"},
                             {RPCResult::Type::BOOL, "addnode", "Whether connection was due to addnode/-connect or if it was an automatic/inbound connection\n"
                                                                "(DEPRECATED, returned only if the config option -deprecatedrpc=getpeerinfo_addnode is passed)"},
-                            {RPCResult::Type::STR, "connection_type", "Type of connection: \n" + Join(CONNECTION_TYPE_DOC, ",\n") + "."},
+                            {RPCResult::Type::STR, "connection_type", "Type of connection: \n" + Join(CONNECTION_TYPE_DOC, ",\n") + ".\n"
+                                                                      "Please note this output is unlikely to be stable in upcoming releases as we iterate to\n"
+                                                                      "best capture connection behaviors."},
                             {RPCResult::Type::NUM, "startingheight", "The starting height (block) of the peer"},
                             {RPCResult::Type::NUM, "banscore", "The ban score (DEPRECATED, returned only if config option -deprecatedrpc=banscore is passed)"},
                             {RPCResult::Type::NUM, "synced_headers", "The last header we have in common with this peer"},