Apply suggestions from code review

Co-authored-by: Joshua Nelson <joshua@yottadb.com>

src/librustdoc/clean/types.rs

@@ -293,7 +293,7 @@ impl Item {
 
  /// See the documentation for [`next_def_id()`].
  ///
- /// [`next_def_id()`]: crate::core::DocContext::next_def_id()
+ /// [`next_def_id()`]: DocContext::next_def_id()
  crate fn is_fake(&self) -> bool {
  MAX_DEF_ID.with(|m| {
  m.borrow().get(&self.def_id.krate).map(|id| self.def_id >= *id).unwrap_or(false)

src/librustdoc/core.rs

@@ -123,7 +123,7 @@ impl<'tcx> DocContext<'tcx> {
  /// Create a new "fake" [`DefId`].
  ///
  /// This is an ugly hack, but it's the simplest way to handle synthetic impls without greatly
- /// refactoring either `librustdoc` or [`rustc_middle`]. In particular, allowing new [`DefId`]s
+ /// refactoring either rustdoc or [`rustc_middle`]. In particular, allowing new [`DefId`]s
  /// to be registered after the AST is constructed would require storing the [`DefId`] mapping
  /// in a [`RefCell`], decreasing the performance for normal compilation for very little gain.
  ///