diff --git a/satrs-example/src/tmtc/tm_sink.rs b/satrs-example/src/tmtc/tm_sink.rs
index fe712f2..a67a410 100644
--- a/satrs-example/src/tmtc/tm_sink.rs
+++ b/satrs-example/src/tmtc/tm_sink.rs
@@ -44,6 +44,7 @@ impl TmFunnelCommon {
         }
     }
 
+    // TODO: Replace pus tm zero copy writer by CCSDS zero copy writer.
     // Applies common packet processing operations for PUS TM packets. This includes setting
     // a sequence counter
     fn apply_packet_processing(&mut self, mut zero_copy_writer: PusTmZeroCopyWriter) {