diff --git a/tests/unit/machine/gp/LaplacianInferenceMethodWithLBFGS_unittest.cc b/tests/unit/machine/gp/LaplacianInferenceMethodWithLBFGS_unittest.cc
index 133da1e40e5..fe45e0fb932 100644
--- a/tests/unit/machine/gp/LaplacianInferenceMethodWithLBFGS_unittest.cc
+++ b/tests/unit/machine/gp/LaplacianInferenceMethodWithLBFGS_unittest.cc
@@ -1455,7 +1455,7 @@ TEST(LaplacianInferenceMethodWithLBFGS,get_cholesky_t_likelihood)
 		);
 
 	// comparison the result from GPML package with the minfunc function:
-	/* L =
+	/*L =
 		1.523700622513149   0.607340583120219   0.521037907065038   0.378596005447475   0.019953356735640
 		0.000000000000000   1.401561489176888   0.693360672949196   0.669737448715427   0.139806033095216
 		0.000000000000000   0.000000000000000   1.231732036088494   0.432550803635198   0.123874068633327