diff --git a/README.txt b/README.txt
index 906c608..4a60ea7 100644
--- a/README.txt
+++ b/README.txt
@@ -44,11 +44,12 @@ Download the following modules to avail more RDF features:
   3. Install the ARC2 library following one of these 2 options:
        - run "drush rdf-download" (recommended, it will download the right
          package and extract it at the right place for you.)
-       - manual install: download the library from
-       http://github.com/semsol/arc2/tarball/master and extract it in the rdfx
-       module directory such that you end up with the following file structure:
-       sites/all/modules/rdfx/vendor/arc/ARC2.php
-
+       - manual install: requires the libraries API module:
+         http://drupal.org/project/libraries
+         Download the ARC2 library from
+         http://github.com/semsol/arc2/tarball/master and extract it in the
+         libraries directory such that you end up with the following file
+         structure: sites/all/libraries/arc/ARC2/ARC2.php
 
 == Bug reports ==