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-rw-r--r--clippy_lints/src/missing_const_for_fn.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/clippy_lints/src/missing_const_for_fn.rs b/clippy_lints/src/missing_const_for_fn.rs
index 87bd007a26a..f1831a30461 100644
--- a/clippy_lints/src/missing_const_for_fn.rs
+++ b/clippy_lints/src/missing_const_for_fn.rs
@@ -41,6 +41,7 @@ declare_clippy_lint! {
     /// can't be const as it calls a non-const function. Making `a` const and running Clippy again,
     /// will suggest to make `b` const, too.
     ///
+    /// If you are marking a public function with `const`, removing it again will break API compatibility.
     /// ### Example
     /// ```rust
     /// # struct Foo {