--- a/tool_dependencies.xml	Fri Jan 24 11:06:57 2014 -0500
+++ b/tool_dependencies.xml	Fri Jan 24 11:18:29 2014 -0500
@@ -17,6 +17,8 @@
         <install version="1.0">
             <actions>
                 <action type="shell_command">git clone --recursive https://github.com/taoliu/MACS.git</action>
+                <!-- Galaxy tries to change automatically to the directory "macs2" (name of the package). 
+                But we need to change to MACS. Go one level back and enter MACS -->
                 <action type="change_directory">../MACS</action>
                 <action type="shell_command">git checkout 7ccb571d2f2dcb5be1d75f323b1d17a59b926deb</action>
                 <action type="shell_command">git submodule update --recursive</action>