diff --git a/src/rpc.cpp b/src/rpc.cpp
index f95038303..3aec7efbe 100644
--- a/src/rpc.cpp
+++ b/src/rpc.cpp
@@ -470,7 +470,7 @@ Value sendtoaddress(const Array& params, bool fHelp)
     if (fHelp || params.size() < 2 || params.size() > 4)
         throw runtime_error(
             "sendtoaddress <bitcoinaddress> <amount> [comment] [comment-to]\n"
-            "<amount> is a real and is rounded to the nearest 0.01");
+            "<amount> is a real and is rounded to the nearest 0.00000001");
 
     string strAddress = params[0].get_str();
 
@@ -748,7 +748,7 @@ Value sendfrom(const Array& params, bool fHelp)
     if (fHelp || params.size() < 3 || params.size() > 6)
         throw runtime_error(
             "sendfrom <fromaccount> <tobitcoinaddress> <amount> [minconf=1] [comment] [comment-to]\n"
-            "<amount> is a real and is rounded to the nearest 0.01");
+            "<amount> is a real and is rounded to the nearest 0.00000001");
 
     string strAccount = AccountFromValue(params[0]);
     string strAddress = params[1].get_str();