diff --git a/README.md b/README.md
index 87b2568..677eea2 100644
--- a/README.md
+++ b/README.md
@@ -82,13 +82,13 @@ iex(4)> simple_storage_abi = ExW3.load_abi("test/examples/build/SimpleStorage.ab
 }
 iex(5)> ExW3.Contract.start_link(SimpleStorage, abi: simple_storage_abi)
 {:ok, #PID<0.239.0>}
-iex(6)> {:ok, address} = ExW3.Contract.deploy(SimpleStorage, bin: ExW3.load_bin("test/examples/build/SimpleStorage.bin"), options: %{gas: 300000, from: Enum.at(accounts, 0)})
+iex(6)> {:ok, address} = ExW3.Contract.deploy(SimpleStorage, bin: ExW3.load_bin("test/examples/build/SimpleStorage.bin"), options: %{gas: 300_000, from: Enum.at(accounts, 0)})
 {:ok, "0xd99306b81bd61cb0ecdd3f2c946af513b3395088"}
 iex(7)> ExW3.Contract.at(SimpleStorage, address)
 :ok
 iex(8)> ExW3.Contract.call(SimpleStorage, :get)
 {:ok, 0}
-iex(9)> ExW3.Contract.send(SimpleStorage, :set, [1], %{from: Enum.at(accounts, 0)})
+iex(9)> ExW3.Contract.send(SimpleStorage, :set, [1], %{from: Enum.at(accounts, 0), gas: 50_000})
 {:ok, "0xb7e9cbdd2cec8ca017e675059a3af063d754496c960f156e1a41fe51ea82f3b8"}
 iex(10)> ExW3.Contract.call(SimpleStorage, :get)                                
 {:ok, 1}