diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp
index 514be2e84e4..a935810d914 100644
--- a/src/rpc/mining.cpp
+++ b/src/rpc/mining.cpp
@@ -305,7 +305,8 @@ static RPCHelpMan generatetoaddress()
 static RPCHelpMan generateblock()
 {
     return RPCHelpMan{"generateblock",
-        "Mine a set of ordered transactions to a specified address or descriptor and return the block hash.",
+        "Mine a set of ordered transactions to a specified address or descriptor and return the block hash.\n"
+        "Transaction fees are not collected in the block reward.",
         {
             {"output", RPCArg::Type::STR, RPCArg::Optional::NO, "The address or descriptor to send the newly generated bitcoin to."},
             {"transactions", RPCArg::Type::ARR, RPCArg::Optional::NO, "An array of hex strings which are either txids or raw transactions.\n"