diff --git a/README.md b/README.md
index 59e1651..08b6cc0 100644
--- a/README.md
+++ b/README.md
@@ -90,8 +90,8 @@ monero_wallet* wallet_random = monero_wallet_core::create_wallet_random(
     "English");
 wallet_random->sync();
 
-// continuously synchronize the wallet in the background
-wallet_random->start_syncing();
+// synchronize in the background every 5 seconds
+wallet_random->start_syncing(5000);
 
 // get wallet info
 string random_mnemonic = wallet_random->get_mnemonic();
@@ -148,7 +148,7 @@ config.m_destinations = destinations;
 // create the transaction, confirm with the user, and relay to the network
 shared_ptr<monero_tx_wallet> created_tx = wallet_restored->create_tx(config);
 uint64_t fee = created_tx->m_fee.get(); // "Are you sure you want to send ...?"
-wallet_restored->relay_tx(*created_tx); // recipient receives notification within 10 seconds
+wallet_restored->relay_tx(*created_tx); // recipient receives notification within 5 seconds
 
 // save and close the wallets
 wallet_restored->close(true);
diff --git a/test/sample_code.cpp b/test/sample_code.cpp
index cce2b3b..03fa8c0 100644
--- a/test/sample_code.cpp
+++ b/test/sample_code.cpp
@@ -84,8 +84,8 @@ int main(int argc, const char* argv[]) {
       "English");
   wallet_random->sync();
 
-  // continuously synchronize the wallet in the background
-  wallet_random->start_syncing();
+  // synchronize in the background every 5 seconds
+  wallet_random->start_syncing(5000);
 
   // get wallet info
   string random_mnemonic = wallet_random->get_mnemonic();
@@ -142,7 +142,7 @@ int main(int argc, const char* argv[]) {
   // create the transaction, confirm with the user, and relay to the network
   shared_ptr<monero_tx_wallet> created_tx = wallet_restored->create_tx(config);
   uint64_t fee = created_tx->m_fee.get(); // "Are you sure you want to send ...?"
-  wallet_restored->relay_tx(*created_tx); // recipient receives notification within 10 seconds
+  wallet_restored->relay_tx(*created_tx); // recipient receives notification within 5 seconds
 
   // the recipient wallet will be notified
   if (OUTPUT_RECEIVED) cout << "Sample code completed successfully" << endl;