Mention ARGs at the top

hyanwong · web-flow · commit 3b961ea89ce1 · 2021-11-25T15:13:16.000Z
diff --git a/docs/index.rst b/docs/index.rst
@@ -7,7 +7,7 @@ Welcome to tsinfer's documentation!
 ===================================
 
 This is the documentation for ``tsinfer``, a method for inferring correlated
-genealogies from genetic variation data.
+genealogies (a.k.a. tree sequence or ARGs) from genetic variation data.
 
 Contents:
 =========
