diff --git a/README.rst b/README.rst
index 0c30652d..77915dda 100644
--- a/README.rst
+++ b/README.rst
@@ -9,6 +9,8 @@ Additionally, you can use it to fetch `schema`_ and `metadata`_ from PDAL operat
 Installation
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+**Note** The PDAL Python bindings require the PDAL base library installed. Source code can be found at https://pdal.io and `GitHub <https://github.com/PDAL/PDAL>`__.
+
 PyPI
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