Rollup merge of rust-lang#75826 - ayushmishra2005:misleading_documentation_for_derived_Ord_PartialOrd, r=KodrAus

Corrected Misleading documentation for derived Ord/PartialOrd implementation

Corrected Misleading documentation for derived Ord/PartialOrd implementation

Fixes rust-lang#75620

Author: JohnTitor

library/core/src/cmp.rs

@@ -505,7 +505,7 @@ impl<T: Ord> Ord for Reverse<T> {
 ///
 /// This trait can be used with `#[derive]`. When `derive`d on structs, it will produce a
 /// lexicographic ordering based on the top-to-bottom declaration order of the struct's members.
-/// When `derive`d on enums, variants are ordered by their top-to-bottom declaration order.
+/// When `derive`d on enums, variants are ordered by their top-to-bottom discriminant order.
 ///
 /// ## How can I implement `Ord`?
 ///
@@ -694,7 +694,7 @@ impl PartialOrd for Ordering {
 ///
 /// This trait can be used with `#[derive]`. When `derive`d on structs, it will produce a
 /// lexicographic ordering based on the top-to-bottom declaration order of the struct's members.
-/// When `derive`d on enums, variants are ordered by their top-to-bottom declaration order.
+/// When `derive`d on enums, variants are ordered by their top-to-bottom discriminant order.
 ///
 /// ## How can I implement `PartialOrd`?
 ///