diff --git a/README.md b/README.md
index 88c1673..b38d6d3 100755
--- a/README.md
+++ b/README.md
@@ -41,7 +41,17 @@ It also comes with a dryrun option.
 ckan -c /var/www/ckan/development.ini ogdch cleanup_resources
 ```
 
-## Command to clean up the package extra table.
+### Command to cleanup resource-files from the filestore.
+When a resource gets deleted will be marked as deleted in the database and also its associated file in the CKAN-FileStore won't be deleted.
+This command finds these orphaned files by checking whether their corresponding resource still exists.
+It is meant to be run regularly by a cronjob.
+It also comes with a dryrun option.
+
+```bash
+paster --plugin=ckanext-ogdchcommands ogdch cleanup_filestore -c /var/www/ckan/development.ini
+```
+
+## Command to cleanup the package extra table.
 When a key is no longer needed in the package_extra table, since it is no longer part of the dataset,
 then after the data have been migrated that old key can be removed from the package_extra table 
 and from the dependent table package_extra_revision.
diff --git a/ckanext/ogdchcommands/logic.py b/ckanext/ogdchcommands/logic.py
index 463304c..7d83bc1 100644
--- a/ckanext/ogdchcommands/logic.py
+++ b/ckanext/ogdchcommands/logic.py
@@ -233,10 +233,10 @@ def ogdch_cleanup_filestore(context, data_dict):
     filepaths = []
     errors = []
 
-    for subdir, dirs, files in os.walk(storage_path):
+    for subdir, dirs, files in os.walk(resource_path):
         for file in files:
             fullpath = os.path.join(subdir, file)
-            relpath = os.path.relpath(fullpath, storage_path)
+            relpath = os.path.relpath(fullpath, resource_path)
             resource_id = get_resource_id(relpath)
 
             tk.check_access("resource_show", context, {"id": resource_id})