diff --git a/web3-proxy/src/app.rs b/web3-proxy/src/app.rs
index 91646ef2..d6344d89 100644
--- a/web3-proxy/src/app.rs
+++ b/web3-proxy/src/app.rs
@@ -48,12 +48,14 @@ const RESPONSE_CACHE_CAP: usize = 1024;
 // block hash, method, params
 type CacheKey = (H256, String, Option<String>);
 
+// TODO: make something more advanced that keeps track of cache size in bytes
 type ResponseLrcCache = RwLock<LinkedHashMap<CacheKey, JsonRpcForwardedResponse>>;
 
 type ActiveRequestsMap = DashMap<CacheKey, watch::Receiver<bool>>;
 
 pub type AnyhowJoinHandle<T> = JoinHandle<anyhow::Result<T>>;
 
+/// flatten a JoinError into an anyhow error
 pub async fn flatten_handle<T>(handle: AnyhowJoinHandle<T>) -> anyhow::Result<T> {
     match handle.await {
         Ok(Ok(result)) => Ok(result),
@@ -62,6 +64,7 @@ pub async fn flatten_handle<T>(handle: AnyhowJoinHandle<T>) -> anyhow::Result<T>
     }
 }
 
+/// return the first error or okay if everything worked
 pub async fn flatten_handles<T>(
     mut handles: FuturesUnordered<AnyhowJoinHandle<T>>,
 ) -> anyhow::Result<()> {
@@ -69,7 +72,7 @@ pub async fn flatten_handles<T>(
         match x {
             Err(e) => return Err(e.into()),
             Ok(Err(e)) => return Err(e),
-            Ok(Ok(_)) => {}
+            Ok(Ok(_)) => continue,
         }
     }
 
diff --git a/web3-proxy/src/connections.rs b/web3-proxy/src/connections.rs
index 1dc87fc4..76282c16 100644
--- a/web3-proxy/src/connections.rs
+++ b/web3-proxy/src/connections.rs
@@ -840,6 +840,7 @@ impl Web3Connections {
                     // TODO: return a 502? if it does?
                     // return Err(anyhow::anyhow!("no available rpcs!"));
                     // TODO: sleep how long?
+                    // TODO: subscribe to something in SyncedConnections instead
                     sleep(Duration::from_millis(200)).await;
 
                     continue;