diff --git a/benchmarks/bugs/biglc.geo b/benchmarks/bugs/biglc.geo
index 8292e32ffab08e244475b09680b5df1a28aa87b4..a67e7d59d5e9e56a930e794ee18790082134cfea 100644
--- a/benchmarks/bugs/biglc.geo
+++ b/benchmarks/bugs/biglc.geo
@@ -1,3 +1,6 @@
+// The old 2D iso algo and the new 2D aniso algo generate flat
+// triangles in this case
+
 Point(1) = {0, 0, 0, 0.5};
 Point(2) = {1, 0, 0, 0.5};
 Point(3) = {1, 1, 0, 0.5};