fix(structs3): reword heading comment
// structs3.rs
-// Structs contain more than simply some data, they can also have logic, in this
-// exercise we have defined the Package struct and we want to test some logic attached to it,
-// make the code compile and the tests pass! If you have issues execute `rustlings hint structs3`
+// Structs contain data, but can also have logic. In this exercise we have
+// defined the Package struct and we want to test some logic attached to it.
+// Make the code compile and the tests pass!
+// If you have issues execute `rustlings hint structs3`
// I AM NOT DONE
