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-rw-r--r--docs/install.rst7
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/install.rst b/docs/install.rst
index 6d293176..1edba409 100644
--- a/docs/install.rst
+++ b/docs/install.rst
@@ -124,3 +124,10 @@ If you wish to permanently uninstall ``cmd2``, this can also easily be done with
pip uninstall cmd2
+Extra requirement for Python 2.7 only
+-------------------------------------
+If you want to be able to pipe the output of commands to a shell command on Python 2.7, then you will need one
+additional package installed:
+
+ * subprocess32
+