diff --git a/etc/README.md b/etc/README.md
index 7522541..d2e8ab9 100644
--- a/etc/README.md
+++ b/etc/README.md
@@ -29,7 +29,9 @@ works.  Second catch: If you scan other hosts in the internet the check against
 your Root CA will fail, too. This will be fixed in the future, see #230.
 
 #### Further needed files
-* ``mapping-rfc.txt`` uses the hexcode to map OpenSSL against the RFC/IANA names. 
+* ``tls_data.txt`` contains lists of cipher suites and privaet keys for sockets-based tests
+
+* ``cipher-mapping.txt`` contains information about all of the cipher suites defined for SSL/TLS
 
 * ``ca_hashes.txt`` is used for HPKP test in order to have a fast comparison with known CAs