diff --git a/baselines/common/tf_util.py b/baselines/common/tf_util.py
index 6a71e1f..3da9441 100644
--- a/baselines/common/tf_util.py
+++ b/baselines/common/tf_util.py
@@ -398,6 +398,20 @@ def _squeeze_shape(shape):
 # ================================================================
 
 def launch_tensorboard_in_background(log_dir):
-   import subprocess
-   print(log_dir)
-   p = subprocess.Popen(['tensorboard', '--logdir', log_dir])
+    '''
+    To log the Tensorflow graph when using rl-algs
+    algorithms, you can run the following code
+    in your main script:
+        import threading, time
+        def start_tensorboard(session):
+            time.sleep(10) # Wait until graph is setup
+            tb_path = osp.join(logger.get_dir(), 'tb')
+            summary_writer = tf.summary.FileWriter(tb_path, graph=session.graph)
+            summary_op = tf.summary.merge_all()
+            launch_tensorboard_in_background(tb_path)
+        session = tf.get_default_session()
+        t = threading.Thread(target=start_tensorboard, args=([session]))
+        t.start()
+    '''
+    import subprocess
+    subprocess.Popen(['tensorboard', '--logdir', log_dir])