diff --git a/src/main.rs b/src/main.rs
index 8befdbf..0676c84 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -149,6 +149,11 @@ async fn traverse(mut result: Multistatus) {
             Some(prop) => {
                 match &prop.get_etag {
                     Some(etag) => {
+                        // 2022-02-17 When I tried to add the next bit here,
+                        // the borrow checker objected to mutable borrows in 
+                        // lines 136 and 147. 
+                        // As a result, I should try to get this working 
+                        // without `Option<T>` first.
                     },
                     _ => println!("Something's happening.")
                 }