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-rw-r--r--compiler/rustc_lint_defs/src/builtin.rs3
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs
index 8fbafe9c883..0c6147f4a46 100644
--- a/compiler/rustc_lint_defs/src/builtin.rs
+++ b/compiler/rustc_lint_defs/src/builtin.rs
@@ -4035,7 +4035,8 @@ declare_lint! {
     /// ### Example
     ///
     /// ```rust
-    /// #![feature(test_unstable_lint)]
+    /// // This lint is intentionally used to test the compiler's behavior
+    /// // when an unstable lint is enabled without the corresponding feature gate.
     /// #![allow(test_unstable_lint)]
     /// ```
     ///