diff --git a/doc/README.dissector b/doc/README.dissector
index f790f006f9..ba7bbd64d0 100644
--- a/doc/README.dissector
+++ b/doc/README.dissector
@@ -1741,6 +1741,7 @@ currently supported are:
     ENC_3GPP_TS_23_038_7BITS - GSM 7 bits alphabet as described
         in 3GPP TS 23.038
     ENC_EBCDIC - EBCDIC
+    ENC_EBCDIC_CP037 - EBCDIC code page 037
     ENC_MAC_ROMAN - MAC ROMAN
     ENC_CP437 - DOS code page 437
     ENC_CP855 - DOS code page 855