doc/features.rst | 2 ++

diff --git a/doc/features.rst b/doc/features.rst
index 8fbe732111f76668bd7cfb6fc0e703da5c0e9b510acdbb1e68899695ea770fe6..0cd482ea93a33c5ca01109c431af399f381d060e3607de2143e964bd4b84cbef 100644
--- a/doc/features.rst
+++ b/doc/features.rst
@@ -26,6 +26,8 @@ * Some kind of strong typing: SEQUENCEs require the exact **type** of
   settable values, even when they are inherited
 * However they do not require tags matching: IMPLICIT/EXPLICIT tags will
   be set automatically in the given sequence
+* Descriptive errors, like ``pyderasn.DecodeError: UTCTime
+  (tbsCertificate.validity.notAfter.utcTime) (at 328) invalid UTCTime format``
 * ``__slots__`` friendliness
 * Could be significantly faster. For example parsing of CACert.org's CRL
   under Python 3.5.2: