diff --git a/rustfmt.toml b/rustfmt.toml
index f9e4d8ed54098..44944ee26afac 100644
--- a/rustfmt.toml
+++ b/rustfmt.toml
@@ -6,3 +6,5 @@ newline_style = "Unix"
 #unstable_features = true
 #imports_granularity = "Crate"
 #reorder_impl_items = true
+#wrap_comments = true
+#comment_width = 100