chore: update errors1 comments and hint

Author: manyinsects

exercises/error_handling/errors1.rs

@@ -1,9 +1,8 @@
 // errors1.rs
 // This function refuses to generate text to be printed on a nametag if
 // you pass it an empty string. It'd be nicer if it explained what the problem
-// was, instead of just sometimes returning `None`. The 2nd test currently
-// does not compile or pass, but it illustrates the behavior we would like
-// this function to have.
+// was, instead of just sometimes returning `None`. Thankfully, Rust has a similar
+// construct to `Option` that can be used to express error conditions. Let's use it!
 // Execute `rustlings hint errors1` for hints!
 
 // I AM NOT DONE
@@ -21,9 +20,6 @@ pub fn generate_nametag_text(name: String) -> Option<String> {
 mod tests {
     use super::*;
 
-    // This test passes initially if you comment out the 2nd test.
-    // You'll need to update what this test expects when you change
-    // the function under test!
     #[test]
     fn generates_nametag_text_for_a_nonempty_name() {
         assert_eq!(

info.toml

@@ -490,7 +490,7 @@ name = "errors1"
 path = "exercises/error_handling/errors1.rs"
 mode = "test"
 hint = """
-`Err` is one of the variants of `Result`, so what the 2nd test is saying
+`Ok` and `Err` are one of the variants of `Result`, so what the tests are saying
 is that `generate_nametag_text` should return a `Result` instead of an
 `Option`.
 
@@ -500,9 +500,7 @@ To make this change, you'll need to:
    - change the body of the function to return `Ok(stuff)` where it currently
      returns `Some(stuff)`
    - change the body of the function to return `Err(error message)` where it
-     currently returns `None`
-   - change the first test to expect `Ok(stuff)` where it currently expects
-     `Some(stuff)`."""
+     currently returns `None`"""
 
 [[exercises]]
 name = "errors2"