diff --git a/python_workbook/data_writer_web_App.py b/python_workbook/data_writer_web_App.py
index e098daa..bc2c4f8 100644
--- a/python_workbook/data_writer_web_App.py
+++ b/python_workbook/data_writer_web_App.py
@@ -2,7 +2,7 @@
 
 app = Flask(__name__)
 html = """
-    <div class = "form>
+    <div class = "form">
     <form action="{{url_for('sent')}}" method="POST">
         <input title="Your email address will be safe with us." placeholder="Enter a line" type="text">
         <button class ="go-button" type="submit"> Submit </button>