diff --git a/README.md b/README.md
index 1ba55de..7b76841 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 [Nikita Karaev](https://nikitakaraevv.github.io/), [Ignacio Rocco](https://www.irocco.info/), [Benjamin Graham](https://ai.facebook.com/people/benjamin-graham/), [Natalia Neverova](https://nneverova.github.io/), [Andrea Vedaldi](https://www.robots.ox.ac.uk/~vedaldi/), [Christian Rupprecht](https://chrirupp.github.io/)
 
-[[`Paper`]()] [[`Project`](https://co-tracker.github.io/)] [[`BibTeX`](#citing-cotracker)]
+[[`Paper`](https://arxiv.org/abs/2307.07635)] [[`Project`](https://co-tracker.github.io/)] [[`BibTeX`](#citing-cotracker)]
 
 <a target="_blank" href="https://colab.research.google.com/github/facebookresearch/co-tracker/blob/main/notebooks/demo.ipynb">
   <img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/>
diff --git a/cotracker/predictor.py b/cotracker/predictor.py
index 48f3337..a4e2003 100644
--- a/cotracker/predictor.py
+++ b/cotracker/predictor.py
@@ -65,7 +65,7 @@ class CoTrackerPredictor(torch.nn.Module):
         return tracks, visibilities
 
     def _compute_dense_tracks(
-        self, video, grid_query_frame, grid_size=50, backward_tracking=False
+        self, video, grid_query_frame, grid_size=30, backward_tracking=False
     ):
         *_, H, W = video.shape
         grid_step = W // grid_size