diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs
index 8266f1566c423..c0cf8c6b76b78 100644
--- a/compiler/rustc_lint/src/builtin.rs
+++ b/compiler/rustc_lint/src/builtin.rs
@@ -1098,12 +1098,12 @@ impl EarlyLintPass for UnusedDocComment {
     }
 
     fn check_block(&mut self, cx: &EarlyContext<'_>, block: &ast::Block) {
-        warn_if_doc(cx, block.span, "block", &block.attrs());
+        warn_if_doc(cx, block.span, "blocks", &block.attrs());
     }
 
     fn check_item(&mut self, cx: &EarlyContext<'_>, item: &ast::Item) {
         if let ast::ItemKind::ForeignMod(_) = item.kind {
-            warn_if_doc(cx, item.span, "extern block", &item.attrs);
+            warn_if_doc(cx, item.span, "extern blocks", &item.attrs);
         }
     }
 }
diff --git a/src/test/ui/lint/unused/unused-doc-comments-edge-cases.stderr b/src/test/ui/lint/unused/unused-doc-comments-edge-cases.stderr
index 30a96af583af7..1a022c30938f2 100644
--- a/src/test/ui/lint/unused/unused-doc-comments-edge-cases.stderr
+++ b/src/test/ui/lint/unused/unused-doc-comments-edge-cases.stderr
@@ -71,7 +71,7 @@ LL |
 LL | / extern "C" {
 LL | |     fn foo();
 LL | | }
-   | |_- rustdoc does not generate documentation for extern block
+   | |_- rustdoc does not generate documentation for extern blocks
    |
    = help: use `//` for a plain comment