diff --git a/README.md b/README.md
index 7ea1b00..2cae86a 100644
--- a/README.md
+++ b/README.md
@@ -6,3 +6,5 @@ Usage:
    python3 bufr_wave.py
 
 Configuration information is read from waverider_first_five.json
+
+Code has only been tested with BUFR D sequence 315010 and is only a partial implementation of a BUFR encoder.