diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 0000000..6a47fa3
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,25 @@
+[run]
+source = hpsspy
+omit =
+   hpsspy/_version.py
+   hpsspy/conftest*
+   hpsspy/cython_version*
+   hpsspy/setup_package*
+   hpsspy/*/setup_package*
+   hpsspy/*/*/setup_package*
+   hpsspy/test/*
+
+[report]
+exclude_lines =
+   # Have to re-enable the standard pragma
+   pragma: no cover
+
+   # Don't complain about packages we have installed
+   except ImportError
+
+   # Don't complain if tests don't hit assertions
+   raise AssertionError
+   raise NotImplementedError
+
+   # Don't complain about script hooks
+   def main\(.*\):
diff --git a/doc/index.rst b/doc/index.rst
index 7a869c8..9fec338 100644
--- a/doc/index.rst
+++ b/doc/index.rst
@@ -18,6 +18,15 @@ system at NERSC_.  It is currently being developed on GitHub_.
 .. _NERSC: http://www.nersc.gov
 .. _GitHub: https://github.com/weaverba137/hpsspy
 
+Requirements
+++++++++++++
+
+Hpsspy assumes that the HPSS utilities `hsi and htar`_ are installed.  You may
+need a NERSC account to download and install these utilities.
+
+.. _`hsi and htar`: https://www.nersc.gov/users/data-and-file-systems/hpss/storing-and-retrieving-data/software-downloads/
+
+
 Contents
 ++++++++