Minor edits on docstring

Author: szhan

python/tests/beagle_numba.py

@@ -325,11 +325,13 @@ def get_transition_probs(cm, h, ne):
 @njit
 def compute_forward_matrix(ref_h, query_h, trans_probs, mismatch_probs):
     """
-    Implement forward algorithm to compute a forward probablity matrix of size (m, h).
+    Implement Li and Stephens forward algorithm.
 
     Reference haplotypes and query haplotype are subsetted to genotyped positions.
     So, they are a matrix of size (m, h) and an array of size m, respectively.
 
+    This computes a forward probablity matrix of size (m, h).
+
     :param numpy.ndarray ref_h: Reference haplotypes.
     :param numpy.ndarray query_h: One query haplotype.
     :param numpy.ndarray trans_probs: Transition probabilities.