diff --git a/docs/releases/1.7.2.txt b/docs/releases/1.7.2.txt
index 30e1c8fc49..df0167351a 100644
--- a/docs/releases/1.7.2.txt
+++ b/docs/releases/1.7.2.txt
@@ -128,3 +128,8 @@ Bugfixes
 * Always converted ``related_name`` to text (unicode), since that is required
   on Python 3 for interpolation. Removed conversion of ``related_name`` to text
   in migration deconstruction (:ticket:`23455` and :ticket:`23982`).
+
+* Enlarged the sizes of tablespaces which are created by default for testing
+  on Oracle (the main tablespace was increased from 200M to 300M and the
+  temporary tablespace from 100M to 150M). This was required to accomodate
+  growth in Django's own test suite (:ticket:`23969`).
diff --git a/docs/releases/1.8.txt b/docs/releases/1.8.txt
index f9eaf83148..ddb98aff26 100644
--- a/docs/releases/1.8.txt
+++ b/docs/releases/1.8.txt
@@ -827,8 +827,8 @@ Miscellaneous
 * Seconds have been removed from any locales that had them in ``TIME_FORMAT``,
   ``DATETIME_FORMAT``, or ``SHORT_DATETIME_FORMAT``.
 
-* The default max size of the Oracle test tablespace has increased from 200M
-  to 500M.
+* The default max size of the Oracle test tablespace has increased from 300M
+  (or 200M, before 1.7.2) to 500M.
 
 * :func:`~django.core.urlresolvers.reverse` and
   :func:`~django.core.urlresolvers.reverse_lazy` now return Unicode strings