diff --git a/esphome/components/api/proto.h b/esphome/components/api/proto.h
index f562c7adc7..bbdd11b29d 100644
--- a/esphome/components/api/proto.h
+++ b/esphome/components/api/proto.h
@@ -185,7 +185,7 @@ class ProtoVarInt {
 #endif
 };
 
-// Forward declarations for decode_to_message, encode_sub_message and encode_packed_sint32
+// Forward declarations for decode_to_message and related encoding helpers
 class ProtoDecodableMessage;
 class ProtoMessage;
 class ProtoSize;