Update 01-prerequisites.mdx

Author: evanorti

sdk/next/tutorials/example/01-prerequisites.mdx

@@ -15,7 +15,8 @@ The example chain requires Go 1.25 or higher.
 
 ```bash
 go version
-# go version go1.25.0 darwin/arm64
+# go version go1.25.0 linux/amd64   # Linux
+# go version go1.25.0 darwin/arm64  # macOS
 ```
 
 If Go is not installed, download it from [go.dev/dl](https://go.dev/dl).
@@ -29,11 +30,10 @@ make --version
 # GNU Make 3.81
 ```
 
-Make is pre-installed on most Linux and macOS systems. On macOS, if it is missing, install it with Xcode command line tools:
+Make is pre-installed on most Linux and macOS systems. If it is missing:
 
-```bash
-xcode-select --install
-```
+- **macOS:** `xcode-select --install`
+- **Linux (Debian/Ubuntu):** `sudo apt install build-essential`
 
 ## Docker