diff --git a/README.md b/README.md
index 1b0b2e5..2caed28 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,7 @@ npx @microsoft/tui-test
 
 ### Multi-platform / Multi-shell • No more "it works in my shell"
 
-**Multi-platform**. TUI Test supports testing on macOS, Linux, and Windows with a wide range of shells when installed: `cmd`, `windows powershell`, `powershell`, `bash`, `git-bash`, `fish`, and `zsh`.
+**Multi-platform**. TUI Test supports testing on macOS, Linux, and Windows with a wide range of shells when installed: `cmd`, `windows powershell`, `powershell`, `bash`, `git-bash`, `fish`, `zsh`, and `xonsh`.
 
 **Wide-support**. TUI Test uses [xterm.js](https://xtermjs.org/) to render the terminal, which is a widely used terminal emulator in projects like [VSCode](https://github.com/microsoft/vscode) and [Hyper](https://github.com/vercel/hyper).
 
@@ -96,7 +96,7 @@ This code snippet shows how to use rich assertions of the terminal.
 import { test, expect } from "@microsoft/tui-test";
 
 test("make a regex assertion", async ({ terminal }) => {
-  terminal.write("ls -l\r")
+  terminal.submit("ls -l")
 
   await expect(terminal.getByText(/total [0-9]{3}/g)).toBeVisible();
 });
diff --git a/examples/assertions.test.ts b/examples/assertions.test.ts
index 8eb8540..9532733 100644
--- a/examples/assertions.test.ts
+++ b/examples/assertions.test.ts
@@ -6,21 +6,21 @@ import { test, expect, Shell } from "@microsoft/tui-test";
 test.use({ shell: Shell.Powershell });
 
 test("make a regex assertion", async ({ terminal }) => {
-  terminal.write("dir | measure\r");
+  terminal.submit("dir | measure");
 
   await expect(terminal.getByText(/Count\s*:\s*[0-9]{2}/g)).toBeVisible();
 });
 
 test("make a text assertion", async ({ terminal }) => {
-  terminal.write("echo 1\r");
+  terminal.submit("echo 1");
 
   await expect(terminal.getByText("1")).toBeVisible();
 });
 
 test("make a negative text assertion", async ({ terminal }) => {
-  terminal.write("echo 1\r");
+  terminal.submit("echo 1");
   await expect(terminal.getByText("1")).toBeVisible();
 
-  terminal.write("clear\r");
+  terminal.submit("clear");
   await expect(terminal.getByText("clear")).not.toBeVisible();
 });