diff --git a/README.md b/README.md
index eb5130cb..8416f76b 100644
--- a/README.md
+++ b/README.md
@@ -23,6 +23,7 @@ See the [Vulcan Book](https://nomoixyz.github.io/vulcan/) for detailed usage inf
 ## Why Vulcan?
 
 Our goal is to provide:
+ 
 - Better naming for VM functionality (no more `prank`, `roll`, `warp`, ...)
 - A testing framework with better readability and a familiar syntax
 - Improved ergonomics
@@ -31,24 +32,34 @@ Our goal is to provide:
 Vulcan test example:
 
 ```solidity
-import { Test, expect, accounts, any, commands, Command,  watchers } from "vulcan/test.sol";
+import { Test, expect, accounts, any, commands, Command,  watchers, println } from "vulcan/test.sol";
 
 contract TestSomething is Test {
     using accounts for *;
     using watchers for *;
 
     function testSomething() external {
+        // Format strings with rust-like syntax
+        println("Hello {s}", abi.encode("world!")); // Hello world!
+        println("Balance: {u:d18}", abi.encode(1e17)); // Balance: 0.1
+
         // Create an address from a string, set the ETH balance and impersonate calls
         address alice = accounts.create("Alice").setBalance(123).impersonate();
 
-        MyContract mc = new MyContract();
+        // Expect style assertions!
+        expect(true).toBeTrue();
+        expect("Hello world!").toContain("Hello");
 
-        // This will watch all contract calls and record their execution
-        address(mc).watch().captureReverts();
+        // Nice external command API!
+        Command memory ping = commands.create("ping").args(["-c", "1"]);
+        res = ping.arg("etherscan.io").run();
+        res = ping.arg("arbiscan.io").run();
 
+        // Monitor calls and events!
+        MyContract mc = new MyContract();
+        address(mc).watch().captureReverts(); // Watch calls and record their execution
         mc.doSomething();
 
-        // Check that `doSomething()` reverted
         expect(address(mc).lastCall()).toHaveRevertedWith("Something went wrong");
 
         mc.doSomethingElse();
@@ -60,18 +71,6 @@ contract TestSomething is Test {
             abi.encode(123) // Event data
         );
 
-        // Expect style assertions!
-        expect(true).toBeTrue();
-        expect(true).toEqual(true);
-        expect(123).toBeGreaterThanOrEqual(123);
-        expect(123).not.toEqual(321);
-        expect("Hello world!").toContain("Hello");
-
-        // Nice external command API!
-        Command memory ping = commands.create("ping").args(["-c", "1"]);
-        res = ping.arg("etherscan.io").run();
-        res = ping.arg("arbiscan.io").run();
-
         // And much more!
     }
 }
diff --git a/docs/src/README.md b/docs/src/README.md
index 0d9b4ff2..e633fba4 100644
--- a/docs/src/README.md
+++ b/docs/src/README.md
@@ -13,6 +13,7 @@ Over time, Vulcan will grow to include more functionality and utilities, eventua
 ## Why Vulcan?
 
 Our goal is to provide:
+ 
 - Better naming for VM functionality (no more `prank`, `roll`, `warp`, ...)
 - A testing framework with better readability and a familiar syntax
 - Improved ergonomics
@@ -28,14 +29,25 @@ contract TestSomething is Test {
     using watchers for *;
 
     function testSomething() external {
+        // Format strings with rust-like syntax
+        println("Hello {s}", abi.encode("world!")); // Hello world!
+        println("Balance: {u:d18}", abi.encode(1e17)); // Balance: 0.1
+
         // Create an address from a string, set the ETH balance and impersonate calls
         address alice = accounts.create("Alice").setBalance(123).impersonate();
 
-        MyContract mc = new MyContract();
+        // Expect style assertions!
+        expect(true).toBeTrue();
+        expect("Hello world!").toContain("Hello");
 
-        // This will watch all contract calls and record their execution
-        address(mc).watch().captureReverts();
+        // Nice external command API!
+        Command memory ping = commands.create("ping").args(["-c", "1"]);
+        res = ping.arg("etherscan.io").run();
+        res = ping.arg("arbiscan.io").run();
 
+        // Monitor calls and events!
+        MyContract mc = new MyContract();
+        address(mc).watch().captureReverts(); // Watch calls and record their execution
         mc.doSomething();
 
         // Check that `doSomething()` reverted
@@ -50,18 +62,6 @@ contract TestSomething is Test {
             abi.encode(123) // Event data
         );
 
-        // Expect style assertions!
-        expect(true).toBeTrue();
-        expect(true).toEqual(true);
-        expect(123).toBeGreaterThanOrEqual(123);
-        expect(123).not.toEqual(321);
-        expect("Hello world!").toContain("Hello");
-
-        // Nice external command API!
-        Command memory ping = commands.create("ping").args(["-c", "1"]);
-        res = ping.arg("etherscan.io").run();
-        res = ping.arg("arbiscan.io").run();
-
         // And much more!
     }
 }
diff --git a/docs/src/modules/json.md b/docs/src/modules/json.md
index 290d995a..9794d0f4 100644
--- a/docs/src/modules/json.md
+++ b/docs/src/modules/json.md
@@ -14,15 +14,16 @@ contract TestMyContract is Test {
         obj.set("foo", true);
 
         // Obtain the set Json string
-        expect(obj.set).toEqual('{"foo":true}');
+        expect(obj.serialized).toEqual('{"foo":true}');
 
         // Nested Objects
         JsonObject memory nested = json.create();
 
         nested.set("bar", obj);
 
-        expect(nested.set).toEqual('{"bar":{"foo":true}}');
+        expect(nested.serialized).toEqual('{"bar":{"foo":true}}');
     }
 }
 ```
+
 [**Json API reference**](../reference/modules/json.md)
diff --git a/docs/src/testing/README.md b/docs/src/testing/README.md
index 048d31f7..f34c9c2d 100644
--- a/docs/src/testing/README.md
+++ b/docs/src/testing/README.md
@@ -7,9 +7,11 @@ import { Test, expect } from "vulcan/test.sol";
 
 contract ExampleTest is Test {
     function testSomething() external {
-        expect(1).toBeLessThan(2);
-        expect(1).not.toEqual(2);
-        expect(1).toEqual(1);
+        uint256 value = 1;
+        expect(value).toEqual(1);
+        expect(value).not.toEqual(2);
+        expect(value).toBeLessThan(2);
+        expect("Hello World!).toContain("World");
     }
 }
 ```
diff --git a/docs/src/testing/expect.md b/docs/src/testing/expect.md
index 651c25aa..a3f46d33 100644
--- a/docs/src/testing/expect.md
+++ b/docs/src/testing/expect.md
@@ -8,7 +8,9 @@ The `expect` function allows you to assert that a value meets a certain conditio
 import { Test, expect } from "vulcan/test.sol";
 
 function testSomething() external {
-    expect(1).toEqual(1);
+    uint256 a = 1;
+    uint256 b = 1;
+    expect(a).toEqual(b);
 }
 ```
 
@@ -20,7 +22,7 @@ The `.not` property inverts the result of the assertion.
 
 ```solidity
 function testSomething() external {
-    expect(1).not.toEqual(2);
+    expect("hello").not.toEqual("world");
 }
 ```
 
@@ -59,6 +61,8 @@ function testSomething() external {
 ### `toHaveSucceeded()`
 
 ### `toHaveEmitted(topics)`
+
 ### `toHaveEmitted(topics, data)`
+
 ### `toHaveEmitted(signature, topics, data)`