diff --git a/build-docs.sh b/build-docs.sh
index 51ebd8288614565bb80a6ef24e1a3407fb27ce82..1e935bedadb15cea9616cee9e1b5feaf13aa3416 100755
--- a/build-docs.sh
+++ b/build-docs.sh
@@ -1,3 +1,7 @@
+#!/bin/sh
+set -o errexit
+set -o nounset
+
 pip install -r requirements.txt
 pip install -e .
 
diff --git a/docs/source/module/playbook.rst b/docs/source/module/playbook.rst
index 1219c80e8b18f134f91fe40b723469b713506f7e..7a9bd432cfaae15534ce8f4123669275b7a0f757 100644
--- a/docs/source/module/playbook.rst
+++ b/docs/source/module/playbook.rst
@@ -3,4 +3,5 @@
 
 .. automodule:: lso.playbook
    :members:
+   :private-members:
    :show-inheritance: