diff --git a/nano/node/node.hpp b/nano/node/node.hpp
index be4941bba..df456c0c9 100644
--- a/nano/node/node.hpp
+++ b/nano/node/node.hpp
@@ -119,8 +119,11 @@ public:
 	void add_initial_peers ();
 	void start_election (std::shared_ptr<nano::block> const & block);
 	bool block_confirmed (nano::block_hash const &);
+
+	// This function may spuriously return false after returning true until the database transaction is refreshed
 	bool block_confirmed_or_being_confirmed (nano::secure::transaction const &, nano::block_hash const &);
 	bool block_confirmed_or_being_confirmed (nano::block_hash const &);
+
 	void do_rpc_callback (boost::asio::ip::tcp::resolver::iterator i_a, std::string const &, uint16_t, std::shared_ptr<std::string> const &, std::shared_ptr<std::string> const &, std::shared_ptr<boost::asio::ip::tcp::resolver> const &);
 	void ongoing_online_weight_calculation ();
 	void ongoing_online_weight_calculation_queue ();