diff --git a/crates/ide/src/inlay_hints/adjustment.rs b/crates/ide/src/inlay_hints/adjustment.rs
index 9f6984b59e9..bdd7c05e008 100644
--- a/crates/ide/src/inlay_hints/adjustment.rs
+++ b/crates/ide/src/inlay_hints/adjustment.rs
@@ -196,6 +196,8 @@ fn needs_parens_for_adjustment_hints(expr: &ast::Expr, postfix: bool) -> (bool,
     // and "parent" is the parent of the original expression...
     //
     // For this we utilize mutable mutable trees, which is a HACK, but it works.
+    //
+    // FIXME: comeup with a better API for `needs_parens_in`, so that we don't have to do *this*
 
     // Make `&expr`/`expr?`
     let dummy_expr = {