diff --git a/Exec/RegTests/CouetteFlow/inputs_couette_x b/Exec/RegTests/CouetteFlow/inputs_couette_x
index 769d04233..d5d2d63e5 100644
--- a/Exec/RegTests/CouetteFlow/inputs_couette_x
+++ b/Exec/RegTests/CouetteFlow/inputs_couette_x
@@ -50,7 +50,7 @@ erf.dynamicViscosity = 0.1
 # PROBLEM PARAMETERS
 prob.rho_0 = 1.0
 prob.T_0 = 300.0
-// NOTE: this u_0 should match the zhi.velocity specified above
+# NOTE: this u_0 should match the zhi.velocity specified above
 prob.u_0 = 2.0
 prob.v_0 = 0.0
 prob.w_0 = 0.0
diff --git a/Exec/RegTests/CouetteFlow/inputs_couette_y b/Exec/RegTests/CouetteFlow/inputs_couette_y
index 85272db01..23d21c890 100644
--- a/Exec/RegTests/CouetteFlow/inputs_couette_y
+++ b/Exec/RegTests/CouetteFlow/inputs_couette_y
@@ -50,7 +50,7 @@ erf.dynamicViscosity = 0.1
 # PROBLEM PARAMETERS
 prob.rho_0 = 1.0
 prob.T_0 = 300.0
-// NOTE: this v_0 should match the zhi.velocity specified above
+# NOTE: this v_0 should match the zhi.velocity specified above
 prob.u_0 = 0.0
 prob.v_0 = 2.0
 prob.w_0 = 0.0