Update.

diff --git a/README.md b/README.md
index 7f7bf6f..007efc6 100644 (file)
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Introduction #
 
-This package provides a function that generates a dot file from the
+This package provides a function that generates a [dot file](https://en.wikipedia.org/wiki/DOT_(graph_description_language)) from the
 autograd graph.
 
 # Usage #
@@ -50,7 +50,8 @@ agtree2dot.save_dot(loss,
                     open('./mlp.dot', 'w'))
 ```
 
-which would generate a file mlp.dot, which can then be translated to pdf with
+which would generate a file mlp.dot, which can then be translated to
+pdf using the [Graphviz tools](http://www.graphviz.org/)
 
 ```
 dot mlp.dot -Lg -T pdf -o mlp.pdf