add missing help output of getblockchaininfo

src/rpc/blockchain.cpp

@@ -1679,6 +1679,8 @@ UniValue getblockchaininfo(const UniValue& params, bool fHelp)
             "  \"headers\": xxxxxx,        (numeric) the current number of headers we have validated\n"
             "  \"bestblockhash\": \"...\", (string) the hash of the currently best block\n"
             "  \"difficulty\": xxxxxx,     (numeric) the current difficulty\n"
+            "  \"longestchain\": xxxxxx,   (numeric) the longest high of the chain\n"
+            "  \"notarized\": xxxxxx,      (numeric) last notarized Block\n"
             "  \"verificationprogress\": xxxx, (numeric) estimate of verification progress [0..1]\n"
             "  \"chainwork\": \"xxxx\"     (string) total amount of work in active chain, in hexadecimal\n"
             "  \"commitments\": xxxxxx,    (numeric) the current number of note commitments in the commitment tree\n"