diff --git a/README.org b/README.org
index b0c835c..161c96c 100644
--- a/README.org
+++ b/README.org
@@ -5090,7 +5090,7 @@ results in listing [[lst:shell-pip-list-outdated-results]] and
 #+caption: Show how to use =pip list --outdated=.
 #+header: :wrap "src text -n"
 #+name: lst:shell-pip-list-outdated
-#+begin_src shell :exports both :results verbatim
+#+begin_src shell -n :exports both :results verbatim
 # WARNING: "pip index" is currently an experimental command.
 pip list --outdated
 #+end_src
@@ -5112,7 +5112,7 @@ ypy-websocket 0.8.2   0.9.0  wheel
 #+caption: Show how to use =pip index versions=.
 #+header: :wrap "src text -n"
 #+name: lst:shell-pip-index-versions
-#+begin_src shell :exports both :results verbatim
+#+begin_src shell -n :exports both :results verbatim
 # WARNING: "pip index" is currently an experimental command.
 pip index versions circular-buffer --no-color
 #+end_src
@@ -5297,7 +5297,7 @@ buffer to check whether upgrading has made the dependencies incompatible."
 #+caption[Emacs interface to get the dependency tree of installed packages]:
 #+caption: Emacs interface to get the dependency tree of installed packages.
 #+name: lst:pip-dependency-tree
-#+begin_src emacs-lisp :results silent
+#+begin_src emacs-lisp -n :results silent
 (defvar pip-package-dependency-tree nil
   "Python package dependency tree.")