diff --git a/src/app/sample/sample.component.html b/src/app/sample/sample.component.html
index a1d9925..aae27cd 100644
--- a/src/app/sample/sample.component.html
+++ b/src/app/sample/sample.component.html
@@ -42,7 +42,7 @@
label="material number" appValidate="string" [name]="'materialNumber-' + item.i"
[ngModel]="item.value">
-