Tiny typo fix in idt.rs
Corrects `#DF` to `#TS`.
@@ -200,7 +200,7 @@ pub struct Idt {
/// The returned error code is the `SS` segment selector. The saved instruction pointer
/// points to the control-transfer instruction that caused the `#TS`.
///
- /// The vector number of the `#DF` exception is 10.
+ /// The vector number of the `#TS` exception is 10.
pub invalid_tss: IdtEntry<HandlerFuncWithErrCode>,
/// An segment-not-present exception (`#NP`) occurs when an attempt is made to load a
