remove code of bydantic

Author: khusmann

docs/complex-data-structures.md

@@ -362,7 +362,7 @@ advanced features, but these features are still experimental and not necessary
 to use the library.
 
 This completes our tour of the field types and combinators available in
-`bydantic`. Congratulations, now you can define bitfields like a pro!
+bydantic. Congratulations, now you can define bitfields like a pro!
 
 For quick reference of field types and capabilities of the `Bitfield` class, you
 can check out the [Field Type Reference](field-type-reference.md) and