ACTUALLY fixed it

because cargo make copies lib.rs into readme, not the other way

README.md

@@ -162,17 +162,22 @@ And this is the output you'll get if you run this program:
 <img src="https://raw.githubusercontent.com/zkat/miette/main/images/single-line-example.png" alt="
 Narratable printout:
 \
-Error: Types mismatched for operation.
-    Diagnostic severity: error
-Begin snippet starting at line 1, column 1
+diagnostic error code: oops::my::bad (link)
+Error: oops!
+
+\
+Begin snippet for bad_file.rs starting
+at line 2, column 3
+\
+snippet line 1: source
+
+\
+snippet line 2:  text
+    highlight starting at line 1, column 3: This bit here
+\
+snippet line 3: here
 \
-snippet line 1: 3 + &quot;5&quot;
-    label starting at line 1, column 1: int
-    label starting at line 1, column 1: doesn't support these values.
-    label starting at line 1, column 1: string
-diagnostic help: Change int or string to be the right types and try again.
-diagnostic code: nu::parser::unsupported_operation
-For more details, see https://docs.rs/nu-parser/0.1.0/nu-parser/enum.ParseError.html#variant.UnsupportedOperation">
+diagnostic help: try doing it better next time?">
 
 ### Using
 

src/lib.rs

@@ -161,17 +161,22 @@
 //! <img src="https://raw.githubusercontent.com/zkat/miette/main/images/single-line-example.png" alt="
 //! Narratable printout:
 //! \
-//! Error: Types mismatched for operation.
-//!     Diagnostic severity: error
-//! Begin snippet starting at line 1, column 1
+//! diagnostic error code: oops::my::bad (link)
+//! Error: oops!
+//! 
 //! \
-//! snippet line 1: 3 + &quot;5&quot;
-//!     label starting at line 1, column 1: int
-//!     label starting at line 1, column 1: doesn't support these values.
-//!     label starting at line 1, column 1: string
-//! diagnostic help: Change int or string to be the right types and try again.
-//! diagnostic code: nu::parser::unsupported_operation
-//! For more details, see https://docs.rs/nu-parser/0.1.0/nu-parser/enum.ParseError.html#variant.UnsupportedOperation">
+//! Begin snippet for bad_file.rs starting
+//! at line 2, column 3
+//! \
+//! snippet line 1: source
+//! 
+//! \
+//! snippet line 2:  text
+//!     highlight starting at line 1, column 3: This bit here
+//! \
+//! snippet line 3: here
+//! \
+//! diagnostic help: try doing it better next time?">
 //!
 //! ## Using
 //!