diff --git a/pymcr/__init__.py b/pymcr/__init__.py
index e3efe64..97e859d 100644
--- a/pymcr/__init__.py
+++ b/pymcr/__init__.py
@@ -1,4 +1,15 @@
-""" pyMCR: Pythonic Multivariate Curve Resolution - Alternating Least Squares """
+""" 
+pyMCR: Pythonic Multivariate Curve Resolution - Alternating Regression
+
+pyMCR is a small package for performing multivariate curve resolution. Currently, 
+it implements a simple alternating regression scheme (MCR-AR). The most common 
+implementation is with ordinary least-squares regression, MCR-ALS.
+
+See Also
+--------
+https://pages.nist.gov/pyMCR
+
+"""
 from . import mcr
 from . import constraints
 from . import metrics