diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index b6b8a63168c9a..3503dfb4d25d1 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -1643,7 +1643,7 @@ UniValue getmempoolinfo(const JSONRPCRequest& request)
             "  \"bytes\": xxxxx,              (numeric) Sum of all tx sizes\n"
             "  \"usage\": xxxxx,              (numeric) Total memory usage for the mempool\n"
             "  \"maxmempool\": xxxxx,         (numeric) Maximum memory usage for the mempool\n"
-            "  \"mempoolminfee\": xxxxx       (numeric) Minimum feerate (" + CURRENCY_UNIT + " per KB) for tx to be accepted\n"
+            "  \"mempoolminfee\": xxxxx       (numeric) Minimum fee rate in " + CURRENCY_UNIT + "/kB for tx to be accepted\n"
             "  \"instantsendlocks\": xxxxx,   (numeric) Number of unconfirmed instant send locks\n"
             "}\n"
             "\nExamples:\n"
diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp
index 1d00ada544924..35304f406a077 100644
--- a/src/rpc/mining.cpp
+++ b/src/rpc/mining.cpp
@@ -850,7 +850,7 @@ UniValue estimatesmartfee(const JSONRPCRequest& request)
             "       \"CONSERVATIVE\"\n"
             "\nResult:\n"
             "{\n"
-            "  \"feerate\" : x.x,     (numeric, optional) estimate fee-per-kilobyte (in " + CURRENCY_UNIT + ")\n"
+            "  \"feerate\" : x.x,     (numeric, optional) estimate fee rate in " + CURRENCY_UNIT + "/kB\n"
             "  \"errors\": [ str... ] (json array of strings, optional) Errors encountered during processing\n"
             "  \"blocks\" : n         (numeric) block number where estimate was found\n"
             "}\n"
@@ -908,7 +908,7 @@ UniValue estimaterawfee(const JSONRPCRequest& request)
             "\nResult:\n"
             "{\n"
             "  \"short\" : {            (json object, optional) estimate for short time horizon\n"
-            "      \"feerate\" : x.x,        (numeric, optional) estimate fee-per-kilobyte (in " + CURRENCY_UNIT + ")\n"
+            "      \"feerate\" : x.x,        (numeric, optional) estimate fee rate in " + CURRENCY_UNIT + "/kB\n"
             "      \"decay\" : x.x,          (numeric) exponential decay (per block) for historical moving average of confirmation data\n"
             "      \"scale\" : x,            (numeric) The resolution of confirmation targets at this time horizon\n"
             "      \"pass\" : {              (json object, optional) information about the lowest range of feerates to succeed in meeting the threshold\n"
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 53ca54621dd08..82acb18944951 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -2959,7 +2959,7 @@ UniValue fundrawtransaction(const JSONRPCRequest& request)
                             "     \"changePosition\"         (numeric, optional, default random) The index of the change output\n"
                             "     \"includeWatching\"        (boolean, optional, default false) Also select inputs which are watch only\n"
                             "     \"lockUnspents\"           (boolean, optional, default false) Lock selected unspent outputs\n"
-                            "     \"feeRate\"                (numeric, optional, default not set: makes wallet determine the fee) Set a specific feerate (" + CURRENCY_UNIT + " per KB)\n"
+                            "     \"feeRate\"                (numeric, optional, default not set: makes wallet determine the fee) Set a specific fee rate in " + CURRENCY_UNIT + "/kB\n"
                             "     \"subtractFeeFromOutputs\" (array, optional) A json array of integers.\n"
                             "                              The fee will be equally deducted from the amount of each specified output.\n"
                             "                              The outputs are specified by their zero-based index, before any change output is added.\n"