diff --git a/THANKS b/THANKS
index 689074b6f..f2b51f61d 100644
--- a/THANKS
+++ b/THANKS
@@ -1,6 +1,6 @@
 GTSAM was made possible by the efforts of many collaborators at Georgia Tech, listed below with their current afffiliation, if they left Tech:
 
-* Jeremy Aguilon
+* Jeremy Aguilon, Facebook
 * Sungtae An
 * Doru Balcan, Bank of America
 * Chris Beall
diff --git a/cython/gtsam_unstable/tests/test_FixedLagSmootherExample.py b/cython/gtsam_unstable/tests/test_FixedLagSmootherExample.py
index 8994913a2..e26c450a0 100644
--- a/cython/gtsam_unstable/tests/test_FixedLagSmootherExample.py
+++ b/cython/gtsam_unstable/tests/test_FixedLagSmootherExample.py
@@ -58,6 +58,10 @@ class TestFixedLagSmootherExample(unittest.TestCase):
             gtsam.Pose2(5.4481, 0.49506, 0.165),
             gtsam.Pose2(5.9379, 0.5845, 0.18),
         ]
+        # Iterates from 0.25s to 3.0s, adding 0.25s each loop
+        # In each iteration, the agent moves at a constant speed
+        # and its two odometers measure the change. The smoothed
+        # result is then compared to the ground truth
         while time <= 3.0:
             previous_key = 1000 * (time - delta_time)
             current_key = 1000 * time