README.md in bonethug-0.0.39 vs README.md in bonethug-0.0.40

@@ -22,9 +22,22 @@
 
     `gem install bonethug`
 
 
 
+Update
+------------
+
+execute:
+
+    `bundle update bonethug`
+
+update the bonethug files in your project:
+
+    `bundle exec bonethug update`
+
+
+
 Usage
 -----