diff --git a/README.md b/README.md
index ee6992246e79f98407a7db2ed1fb79b2b5addb78..4475dcbe716482a4586ee6a2cfc6e62cf827a05c 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@ Geomag Algorithms
 
 Geomag algorithms includes tools to fetch, process, and output geomag data.
 
+[Documentation](https://github.com/usgs/geomag-algorithms/blob/master/docs/readme.md)
+
 
 Install
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