diff --git a/share/examples/bitcoin.conf b/share/examples/bitcoin.conf
index 6062d49c4..b5475dc1c 100644
--- a/share/examples/bitcoin.conf
+++ b/share/examples/bitcoin.conf
@@ -4,6 +4,10 @@
  
 # Network-related settings:
 
+# Note that if you use testnet or regtest, particularly with the options
+# addnode, connect, port, bind, rpcport, rpcbind or wallet, you will also
+# want to read "[Sections]" further down.
+
 # Run on the test network instead of the real bitcoin network.
 #testnet=0
 
@@ -53,6 +57,9 @@
 # Listening mode, enabled by default except when 'connect' is being used
 #listen=1
 
+# Port on which to listen for connections (default: 8333, testnet: 18333, regtest: 18444)
+#port=
+
 # Maximum number of inbound+outbound connections.
 #maxconnections=
 
@@ -115,6 +122,10 @@
 
 # Wallet options
 
+# Specify where to find wallet, lockfile and logs. If not present, those files will be
+# created as new.
+#wallet=</path/to/dir>
+
 # Create transactions that have enough fees so they are likely to begin confirmation within n blocks (default: 6).
 # This setting is over-ridden by the -paytxfee option.
 #txconfirmtarget=n
@@ -142,3 +153,19 @@
 
 # Minimize to the system tray
 #minimizetotray=1
+
+# [Sections]
+# Most options apply to mainnet, testnet and regtest.
+# If you want to confine an option to just one network, you should add it in the
+# relevant section below.
+# EXCEPTIONS: The options addnode, connect, port, bind, rpcport, rpcbind and wallet
+# only apply to mainnet unless they appear in the appropriate section below.
+
+# Options only for mainnet
+[main]
+
+# Options only for testnet
+[test]
+
+# Options only for regtest
+[regtest]