diff --git a/examples/PACKAGES/dielectric/data.confined b/examples/PACKAGES/dielectric/data.confined
index 8145c829d1..a9bd906bce 100644
--- a/examples/PACKAGES/dielectric/data.confined
+++ b/examples/PACKAGES/dielectric/data.confined
@@ -13,7 +13,7 @@ Masses
 2 1
 3 1
 
-Atoms # dielectric: id mol type q x y z normx normy normz area_per_patch ed em epsilon curvature
+Atoms # dielectric : id mol type q x y z normx normy normz area_per_patch ed em epsilon curvature
 
 1 0 1 0 0 0 9.99798  0 0 1 0.866 8 6 6 0
 2 0 1 0 0.500101 0.866201 9.99798  0 0 1 0.866 8 6 6 0