diff --git a/README.md b/README.md
index 59f82e8..365b0fe 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,5 @@ visual_erlang
 =============
 
 Notation for describing Erlang architectures
+
+In order to use the visual-erlang class, you have to add `visual-erlang.sty` file to `~/Library/texmf/tex/latex` when using OSX.
\ No newline at end of file