Update lab.md

lab.md

@@ -13,8 +13,8 @@ In this lab, you will enhance a file reader application in Rust.  Use the examp
 **Steps:**
 
 1. Create a new repository in your account for your Rust project
-1. Use the [example code]() as a starting point
-1. Add the ability to pass in any file path to avoid hard-coding the path in the program. Use the [Rust docs]()
+1. Use the [example code](https://github.com/alfredodeza/rust-fundamentals/blob/main/examples/16-error-handling/error-handling/src/main.rs) as a starting point
+1. Add the ability to pass in any file path to avoid hard-coding the path in the program. Use the [Rust docs](https://doc.rust-lang.org/rust-by-example/std_misc/arg.html)
   or this sample code to get an idea on how to get the first argument in the console:
 
 ```rust