diff --git a/docs/release-notes/rl-0.3.adoc b/docs/release-notes/rl-0.3.adoc
index 2f0bde1..26b52c2 100644
--- a/docs/release-notes/rl-0.3.adoc
+++ b/docs/release-notes/rl-0.3.adoc
@@ -13,3 +13,5 @@
 * `vim.visual.lspkind` has been moved to <<opt-vim.lsp.lspkind.enable>>
 
 * Improved handling of completion formatting. When setting <<opt-vim.autocomplete.sources>>, can also include optional menu mapping. And can provide your own function with <<opt-vim.autocomplete.formatting.format>>.
+
+* For <<opt-vim.visuals.indentBlankline.fillChar>> and <<opt-vim.visuals.indentBlankline.eolChar>> turning them off should use `null` rather than `""` now.