diff --git a/src/wallet/rpcdump.cpp b/src/wallet/rpcdump.cpp
index 72af5d930..2cd835cbe 100644
--- a/src/wallet/rpcdump.cpp
+++ b/src/wallet/rpcdump.cpp
@@ -200,7 +200,7 @@ UniValue importprivkey(const UniValue& params, bool fHelp, const CPubKey& mypk)
             "2. \"label\"            (string, optional, default=\"\") An optional label\n"
             "3. rescan               (boolean, optional, default=true) Rescan the wallet for transactions\n"
             "4. height               (integer, optional, default=0) start at block height?\n"
-            "5. secret_key           (integer, optional, default=188) used to import WIFs of other coins\n" 
+            "5. secret_key           (integer, optional, default=188) decimal value used to import WIFs of other coins\n"
             "\nNote: This call can take minutes to complete if rescan is true.\n"
             "\nExamples:\n"
             "\nDump a private key\n"