diff --git a/docs/installation.rst b/docs/installation.rst
index 586d9d581..3ceb0f425 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -54,12 +54,12 @@ Many of Pillow's features require external libraries:
   * Pillow has been tested with libjpeg versions **6b**, **8**, and
     **9** and libjpeg-turbo version **8**.
   * Starting with Pillow 3.0.0, libjpeg is required by default, but
-    may be disabled with the `--disable-jpeg` flag.
+    may be disabled with the ``--disable-jpeg`` flag.
 
 * **zlib** provides access to compressed PNGs
 
   * Starting with Pillow 3.0.0, zlib is required by default, but may
-    be disabled with the `--disable-zlib` flag.
+    be disabled with the ``--disable-zlib`` flag.
 
 * **libtiff** provides compressed TIFF functionality
 
diff --git a/docs/releasenotes/3.0.0.rst b/docs/releasenotes/3.0.0.rst
index e62076052..95f6be132 100644
--- a/docs/releasenotes/3.0.0.rst
+++ b/docs/releasenotes/3.0.0.rst
@@ -42,4 +42,11 @@ have been removed in this release::
     ImageWin.fromstring()
     ImageWin.tostring()
 
+LibJpeg and Zlib are Required by Default
+----------------------------------------
+
+The external dependencies on libjpeg and zlib are now required by default.
+If the headers or libraries are not found, then installation will abort
+with an error. This behaviour can be disabled with the ``--disable-libjpeg`` 
+and ``--disable-zlib`` flags.