diff --git a/Setting-up-pdf.js-Development-Environment-for-Windows.md b/Setting-up-pdf.js-Development-Environment-for-Windows.md
index 0d0ca8f..022964f 100644
--- a/Setting-up-pdf.js-Development-Environment-for-Windows.md
+++ b/Setting-up-pdf.js-Development-Environment-for-Windows.md
@@ -1,3 +1,5 @@
+## MSYS Environment
+
 The simplest way to setup the development environment for the pdf.js project:
 
 * Git for Windows (http://code.google.com/p/msysgit/);