Fix typos “a”→“an”

1 files changed, 2 insertions, 2 deletions

diff --git a/compiler/rustc_mir_build/src/build/mod.rs b/compiler/rustc_mir_build/src/build/mod.rs
index 988cc625422..bfebe860971 100644
--- a/compiler/rustc_mir_build/src/build/mod.rs
+++ b/compiler/rustc_mir_build/src/build/mod.rs
@@ -700,7 +700,7 @@ fn construct_const<'a, 'tcx>(
     builder.finish()
 }
 
-/// Construct MIR for a item that has had errors in type checking.
+/// Construct MIR for an item that has had errors in type checking.
 ///
 /// This is required because we may still want to run MIR passes on an item
 /// with type errors, but normal MIR construction can't handle that in general.
@@ -885,7 +885,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
         let tcx_hir = tcx.hir();
         let hir_typeck_results = self.typeck_results;
 
-        // In analyze_closure() in upvar.rs we gathered a list of upvars used by a
+        // In analyze_closure() in upvar.rs we gathered a list of upvars used by an
         // indexed closure and we stored in a map called closure_min_captures in TypeckResults
         // with the closure's DefId. Here, we run through that vec of UpvarIds for
         // the given closure and use the necessary information to create upvar