diff --git a/python/tests/beagle_numba.py b/python/tests/beagle_numba.py
index 4f72e69222..59b7e67205 100644
--- a/python/tests/beagle_numba.py
+++ b/python/tests/beagle_numba.py
@@ -341,6 +341,9 @@ def compute_emission_probability(mismatch_prob, is_match, *, num_alleles=2):
     return em_prob
 
 
+""" Replication of BEAGLE's implementation of the Li and Stephens HMM. """
+
+
 @njit
 def compute_forward_matrix(
     ref_h, query_h, trans_probs, mismatch_probs, *, num_alleles=2