update docs
diff --git a/docs/glossary.rst b/docs/glossary.rst
index ef422a6..4d5faef 100644
--- a/docs/glossary.rst
+++ b/docs/glossary.rst
@@ -60,3 +60,7 @@
This is a property of encryption systems whereby two encrypted messages
aren't distinguishable without knowing the encryption key. This is
considered a basic, necessary property for a working encryption system.
+
+ text
+ This type corresponds to `unicode` on Python 2 and `str` on Python 3.
+ This is equivalent to `six.text_type`.
diff --git a/docs/x509.rst b/docs/x509.rst
index 525b869..19a62be 100644
--- a/docs/x509.rst
+++ b/docs/x509.rst
@@ -193,7 +193,7 @@
.. attribute:: value
- :type: :class:`str`
+ :type: :term:`text`
The value of the attribute.