Wrap dumpwallet warning and note scripts aren't dumped

src/wallet/rpcdump.cpp

@@ -601,7 +601,9 @@ UniValue dumpwallet(const JSONRPCRequest& request)
         throw std::runtime_error(
             "dumpwallet \"filename\"\n"
             "\nDumps all wallet keys in a human-readable format to a server-side file. This does not allow overwriting existing files.\n"
-            "Note that if your wallet contains keys which are not derived from your HD seed (e.g. imported keys), these are not covered by only backing up the seed itself, and must be backed up too (e.g. ensure you back up the whole dumpfile).\n"
+            "Imported scripts are not currently included in wallet dumps, these must be backed up separately.\n"
+            "Note that if your wallet contains keys which are not derived from your HD seed (e.g. imported keys), these are not covered by\n"
+            "only backing up the seed itself, and must be backed up too (e.g. ensure you back up the whole dumpfile).\n"
             "\nArguments:\n"
             "1. \"filename\"    (string, required) The filename with path (either absolute or relative to bitcoind)\n"
             "\nResult:\n"