diff --git a/README.md b/README.md
index 5168075..6422184 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,8 @@ The main issue was not handling correctly the classes that are inheriting from W
 
 This release tries to fix those issues.
 
+Note: Only internal methods have been changed. The configuration has not changed.
+So in order to upgrade to this new version, just update the version in your Gemfile/gemspec file
 
 NEW Improvements in version 1.5.1
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