diff --git a/doc/epp-doc.md b/doc/epp-doc.md
index 564502565..29751dda9 100644
--- a/doc/epp-doc.md
+++ b/doc/epp-doc.md
@@ -7,5 +7,14 @@ Introduction text here
 [Domain related functions](epp/domain.md)  
 [Keyrelay related functions](epp/keyrelay.md)
 
-Please study official The Extensible Provisioning Protocol (EPP):  
+Our implementation supports following protocols:
+
+[RFC5730 - EPP](http://tools.ietf.org/html/rfc5730)
+[RFC5731 - Domain Mapping](http://tools.ietf.org/html/rfc5731)
+[RFC5733 - Contact Mapping](http://tools.ietf.org/html/rfc5733)
+[RFC5734 - Transport over TCP](http://tools.ietf.org/html/rfc5734)
+[RFC5910 - DNSSEC Mapping](http://tools.ietf.org/html/rfc5910)
+[RFC3735 - Guidelines for Extending the EPP](http://tools.ietf.org/html/rfc3735)
+
+More info about The Extensible Provisioning Protocol (EPP):<br>
 http://en.wikipedia.org/wiki/Extensible_Provisioning_Protocol
diff --git a/doc/epp/README.md b/doc/epp/README.md
index 127524078..e22fc954e 100644
--- a/doc/epp/README.md
+++ b/doc/epp/README.md
@@ -7,5 +7,14 @@ Introduction text here
 [Domain related functions](domain.md)  
 [Keyrelay related functions](keyrelay.md)
 
-Please study official The Extensible Provisioning Protocol (EPP):  
+Our implementation supports following protocols:
+
+[RFC5730 - EPP](http://tools.ietf.org/html/rfc5730)
+[RFC5731 - Domain Mapping](http://tools.ietf.org/html/rfc5731)
+[RFC5733 - Contact Mapping](http://tools.ietf.org/html/rfc5733)
+[RFC5734 - Transport over TCP](http://tools.ietf.org/html/rfc5734)
+[RFC5910 - DNSSEC Mapping](http://tools.ietf.org/html/rfc5910)
+[RFC3735 - Guidelines for Extending the EPP](http://tools.ietf.org/html/rfc3735)
+
+More info about The Extensible Provisioning Protocol (EPP):<br>
 http://en.wikipedia.org/wiki/Extensible_Provisioning_Protocol