diff --git a/packages/CLPBN/examples/sprinkler.pfl b/packages/CLPBN/examples/sprinkler.pfl
index daceb3786..5d6e2fce3 100644
--- a/packages/CLPBN/examples/sprinkler.pfl
+++ b/packages/CLPBN/examples/sprinkler.pfl
@@ -25,7 +25,7 @@ cloudy_table(
 
 sprinkler_table(
     [ 0.5, 0.9,
-		  0.5, 0.1 ]).
+      0.5, 0.1 ]).
 
 rain_table(
     [ 0.8, 0.2,