diff --git a/lib/ex_cmd/process.ex b/lib/ex_cmd/process.ex
index 799200d..001607e 100644
--- a/lib/ex_cmd/process.ex
+++ b/lib/ex_cmd/process.ex
@@ -194,8 +194,8 @@ defmodule ExCmd.Process do
   ```
   # sleep command does not watch for stdin or stdout, so closing the
   # pipe does not terminate the sleep command.
-  iex> {:ok, p} = Process.start_link(~w(sleep 100000000), log: :stderr) # sleep indefinitely
-  iex> Process.await_exit(p, 1000) # ensure `await_exit` finish within `1000ms`. By default it waits for 5s
+  iex> {:ok, p} = Process.start_link(~w(sleep 100000000)) # sleep indefinitely
+  iex> Process.await_exit(p, 2000) # ensure `await_exit` finish within `2000ms`. By default it waits for 5s
   {:error, :killed} # command exit due to SIGTERM
   ```
 
diff --git a/test/ex_cmd/process_test.exs b/test/ex_cmd/process_test.exs
index 1df680d..d438d88 100644
--- a/test/ex_cmd/process_test.exs
+++ b/test/ex_cmd/process_test.exs
@@ -202,7 +202,7 @@ defmodule ExCmd.ProcessTest do
     end
 
     test "if await_exit kills the program" do
-      {:ok, s} = Process.start_link(~w(sleep 10000), log: :stderr)
+      {:ok, s} = Process.start_link(~w(sleep 10000))
       assert_killed(Process.await_exit(s, 1000))
     end
 
diff --git a/test/test_helper.exs b/test/test_helper.exs
index d179b8c..8754999 100644
--- a/test/test_helper.exs
+++ b/test/test_helper.exs
@@ -8,5 +8,5 @@
     end
   )
 
-Logger.configure(level: :debug)
+Logger.configure(level: :warning)
 ExUnit.start(capture_log: false)