diff --git a/examples.rb b/examples.rb
index 89054a1..a9a60e8 100644
--- a/examples.rb
+++ b/examples.rb
@@ -1,26 +1,34 @@
 require "lnrpc"
 
-lnd = Lnrpc::Client.new() # use defaults for credentials, macaraoon and address
+# establish a connection
+lnd = Lnrpc::Client.new() # use defaults for credentials, macaroon and address
 
+# get basic info
 get_info_res = lnd.lightning.get_info
 puts get_info_res.alias
 
+# get wallet balance
 puts lnd.lightning.wallet_balance.total_balance
 
+# pay an invoice
 pay_request = "lntb50u1pw9mmndpp5nvnff958pxc9eqknwntyxapjw7l5grt5e2y70cmmnu0lljfa0sdqdpsgfkx7cmtwd68yetpd5s9xct5v4kxc6t5v5s8yatz0ysxwetdcqzysxqyz5vqjkhlyn40z76gyn7dx32p9j58dftve9xrlvnqqazht7w2fdauukhyhr9y4k3ngjn8s6srglj8swk7tm70ng54wdkq47ahytpwffvaeusp500csz"
 lnd.pay(payment_request: pay_request) # or:
 lnd.router.send_payment_v2(payment_request: pay_request)
 
+# keysend payment
 dest = Lnrpc.to_byte_array('038474ec195f497cf4036e5994bd820dd365bb0aaa7fb42bd9b536913a1a2dcc9e')
 lnd.keysend(dest: dest, amt: 1000)
 
+# create invoice
 invoice_res = lnd.lightning.add_invoice(value: 1000, memo: 'I :heart: ruby')
 puts invoice_res.payment_request
 
+# get fee estimates
 puts lnd.versioner.get_version
 puts lnd.wallet_kit.estimate_fee(conf_target: 10)
 puts lnd.wallet_kit.next_addr
 
+# print incoming invoices
 lnd.lightning.subscribe_invoices(settle_index: 1).each do |invoice|
   puts invoice.payment_request
 end
@@ -67,3 +75,8 @@ lnd.lightning.update_channel_policy({
   base_fee_msat: 1100,
   chan_point: channel_point
 })
+
+# open channel
+# note: Lnrpc needs to connect with an admin macaroon, and the node needs to be an existing peer.
+pubkey = Lnrpc.to_byte_array("031f2669adab71548fad4432277a0d90233e3bc07ac29cfb0b3e01bd3fb26cb9fa")
+response = lnd.lightning.open_channel({node_pubkey: pubkey, local_funding_amount: 21000})