tidy

Author: oli-obk

compiler/rustc_hir/src/hir.rs

@@ -1513,7 +1513,7 @@ pub enum CoroutineKind {
     /// An explicit `async` block or the body of an async function.
     Async(AsyncCoroutineKind),
 
-    /// An explicit `gen` block or the body of a `gen`` function.
+    /// An explicit `gen` block or the body of a `gen` function.
     Gen(AsyncCoroutineKind),
 
     /// A coroutine literal created via a `yield` inside a closure.