Tidy fix

compiler/rustc_target/src/abi/call/mod.rs

@@ -778,10 +778,10 @@ impl RiscvInterruptKind {
 
 /// Metadata describing how the arguments to a native function
 /// should be passed in order to respect the native ABI.
-/// 
+///
 /// The signature represented by this type may not match the MIR function signature.
-/// Certain attributes, like `#[track_caller]` can introduce additional arguments, which are present in [`FnAbi`], but not in[`rustc_middle::ty::FnSig`]. 
-/// While this difference is rarely relevant, it should still be kept in mind. 
+/// Certain attributes, like `#[track_caller]` can introduce additional arguments, which are present in [`FnAbi`], but not in[`rustc_middle::ty::FnSig`].
+/// While this difference is rarely relevant, it should still be kept in mind.
 ///
 /// I will do my best to describe this structure, but these
 /// comments are reverse-engineered and may be inaccurate. -NDM