Merge pull request #352 from kenshanta/fix-67-subtitle-typo

docs: update subtitle #67 to match content

Author: sudheerj

README.md

@@ -2087,7 +2087,7 @@ class ParentComponent extends React.Component {
 
 **[⬆ Back to Top](#table-of-contents)**
 
-67. ### Why you can't update props in React?
+67. ### Why can't you update props in React?
 
  The React philosophy is that props should be _immutable_(read only) and _top-down_. This means that a parent can send any prop values to a child, but the child can't modify received props.