diff --git a/matrix/bmatrix.c b/matrix/bmatrix.c
index dff6ff60ec66f83d37b77a8a33410ef45af3d860..b6df4944837c0280ce8509cfd7e2f9a9b11b9e9d 100644
--- a/matrix/bmatrix.c
+++ b/matrix/bmatrix.c
@@ -857,7 +857,7 @@ int bSolveUnitTriangular(PRECISION *a, PRECISION *b, int m, int n, int u, int at
      yt: 0 or 1
 
    Results
-     y = y * p  or  (2) y = y * p'
+     x = y * p  or  x = y * p'
 
    Returns
      NO_ERR