diff --git a/README.md b/README.md
index 8b0f121..ea25d44 100644
--- a/README.md
+++ b/README.md
@@ -1,39 +1,39 @@
 swh-core
 ========
 
 core library for swh's modules:
 - config parser
 - hash computations
 - serialization
 - logging mechanism
 
 Defines also a celery application to run concurrency tasks
 
 Celery use
 ----------
 
 ### configuration file
 
 worker.ini file which looks like:
 
     [main]
     task_broker = amqp://guest@localhost//
-    task_modules = swh.loader.dir.tasks, swh.loader.git.tasks
+    task_modules = swh.loader.dir.tasks, swh.loader.tar.tasks, swh.loader.git.tasks
     task_queues = swh_loader_tar, swh_loader_git, swh_loader_dir
     task_soft_time_limit = 0
 
 This file can be set in the following location:
 - ~/.swh
 - ~/.config/swh
 - /etc/softwareheritage
 
 
 ### run celery worker
 
 Sample command:
 
     celery worker --app=swh.core.worker \
                   --pool=prefork \
                   --autoscale=2,2 \
                   -Ofair \
                   --loglevel=info 2>&1 | tee -a swh-core-worker.log