diff --git a/PLEP-0007.rst b/PLEP-0007.rst
index a89603f..02e6e58 100644
--- a/PLEP-0007.rst
+++ b/PLEP-0007.rst
@@ -16,7 +16,7 @@ PLEP-0007 – Structure of Top-Level Sub-Packages
 +-------------------+---------------------------------------------+
 | date created      | 2019-10-27                                  |
 +-------------------+---------------------------------------------+
-| date last revised | 2020-05-12                                  |
+| date last revised | 2020-04-20                                  |
 +-------------------+---------------------------------------------+
 | type              | Standard                                    |
 +-------------------+---------------------------------------------+
@@ -86,6 +86,7 @@ respective package PLEPs.
   #. `diagnostics`_
   #. `dispersion`_
   #. `formulary`_
+  #. `io`__
   #. `particles`_
   #. `plasma`_
   #. `simulation`_
@@ -209,6 +210,22 @@ respective package PLEPs.
 |                 | `NRL Plasma Formulary`_.                                    |
 +-----------------+-------------------------------------------------------------+
 
+.. _io:
+
++-----------------+-------------------------------------------------------------+
+| **io**                                                                        |
++=================+=============================================================+
+| directory:      | ``./plasmapy/io/``                                          |
++-----------------+-------------------------------------------------------------+
+| access:         | ``plasmapy.io``                                             |
++-----------------+-------------------------------------------------------------+
+| PLEP:           |                                                             |
++-----------------+-------------------------------------------------------------+
+| scope:          | A sub-package to contain functionality for inputting and    |
+|                 | outputting data sets in formats commonly used in plasma     |
+|                 | science.                                                    |
++-----------------+-------------------------------------------------------------+
+
 .. _particles:
 
 +-----------------+-------------------------------------------------------------+