diff --git a/examples/custom-stopping-criterion/doc/kind b/examples/custom-stopping-criterion/doc/kind
index 580c1c68579..68e23b3282d 100644
--- a/examples/custom-stopping-criterion/doc/kind
+++ b/examples/custom-stopping-criterion/doc/kind
@@ -1 +1 @@
-stopping-criteria 
+stopping-criteria