diff --git a/helix-core/Cargo.toml b/helix-core/Cargo.toml
index 6e019a42e..f67b949c1 100644
--- a/helix-core/Cargo.toml
+++ b/helix-core/Cargo.toml
@@ -24,7 +24,7 @@ unicode-width = "0.1"
 unicode-general-category = "0.5"
 # slab = "0.4.2"
 slotmap = "1.0"
-tree-sitter = "0.20"
+tree-sitter = "0.20" # TODO: use tree-sitter-facade / web-tree-sitter-sys on wasm32
 once_cell = "1.10"
 arc-swap = "1"
 regex = "1"