diff --git a/crates/ruff_linter/src/rules/pyupgrade/rules/unnecessary_future_import.rs b/crates/ruff_linter/src/rules/pyupgrade/rules/unnecessary_future_import.rs
index 73c8836a7e..c713bdf718 100644
--- a/crates/ruff_linter/src/rules/pyupgrade/rules/unnecessary_future_import.rs
+++ b/crates/ruff_linter/src/rules/pyupgrade/rules/unnecessary_future_import.rs
@@ -30,6 +30,9 @@ use crate::{AlwaysFixableViolation, Applicability, Fix};
 /// print("Hello, world!")
 /// ```
 ///
+/// ## Fix safety
+/// This fix is marked unsafe if applying it would delete a comment.
+///
 /// ## Options
 /// - `target-version`
 ///