diff --git a/gprMax/__init__.py b/gprMax/__init__.py
index e4904dc4..1c415e61 100644
--- a/gprMax/__init__.py
+++ b/gprMax/__init__.py
@@ -1,3 +1,12 @@
+"""
+======
+gprMax
+======
+
+Utilities to simulate electromagnetic waves.
+
+"""
+
 from ._version import __version__
 from .gprMax import api as run