fix typo in HTTP example

Author: drbruced12

README.rst

@@ -5,7 +5,7 @@ About This Book
   :scale: 50%
   :alt: written by humans not by AI button
   :target: https://notbyai.fyi
-           
+
 .. image:: https://github.com/SystemsApproach/book/actions/workflows/publish-docs.yml/badge.svg
   :align: left
   :alt: deployment status button

applications/traditional.rst

@@ -564,7 +564,7 @@ For example, the ``START_LINE``
 
    GET http://www.cs.princeton.edu/index.html HTTP/1.1
 
-says that the client wants the server on host to return the page named
+says that the client wants the server on host ``www.cs.princeton.edu`` to return the page named
 ``index.html``.  This particular example uses an absolute URL. It is
 also possible to request a path in the ``START_LINE`` and specify the host name
 in one of the ``MESSAGE_HEADER`` lines; for example,