diff --git a/content/tutorial/tutorial.md b/content/tutorial/tutorial.md
index 12e943c5..4db18156 100644
--- a/content/tutorial/tutorial.md
+++ b/content/tutorial/tutorial.md
@@ -290,7 +290,7 @@ class Square extends React.Component {
 
 >Note
 >
->In [JavaScript classes](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes), you need to always call `super` when defining the constructor of a subclass. All React component classes that have a `constructor` should start it with a `super(props)` call.
+>In [JavaScript classes](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes), you need to always call `super` when defining the constructor of a subclass. All React component classes that have a `constructor` should start with a `super(props)` call.
 
 Now we'll change the Square's `render` method to display the current state's value when clicked: