fix comment

crates/trie/parallel/src/proof.rs

@@ -214,7 +214,7 @@ where
             });
         }
 
-        // Wait for all proofs in this batch
+        // Wait for all proofs
         for _ in 0..storage_root_targets_len {
             match rx.recv_timeout(std::time::Duration::from_secs(30)) {
                 Ok(result) => match result {