Merge pull request krasimir#51 from ldesegur/master

Fixed typo inside paragraph about styling with css.

Author: Krasimir Tsonev

book/chapter-11/README.md

@@ -12,7 +12,7 @@ JSX syntax is pretty close to HTML syntax. As such we have almost the same tag a
 
 ## Inline styling
 
-The inline styling works just fine. Similarly to HTML we are free to pass styles directly via a `style`  attribute. However, while in HTML the value is a string in JSX must be an object.
+The inline styling works just fine. Similarly to HTML we are free to pass styles directly via a `style`  attribute. However, while in HTML the value is a string, in JSX it must be an object.
 
 ```js
 const inlineStyles = {

book/chapter-4/README.md

@@ -174,7 +174,7 @@ Again, the `OriginalTitle` knows that it receives two props and has to render th
 
 ## Function as a children, render prop
 
-Last couple of months the React community started shifting in an interesting direction. So far in our examples the `children` prop was a React component. There is however a new pattern gaining popularity in which the same `children` prop is a JSX expression. Let's start by passing a simple object.
+For the last couple of months, the React community started shifting in an interesting direction. So far in our examples the `children` prop was a React component. There is however a new pattern gaining popularity in which the same `children` prop is a JSX expression. Let's start by passing a simple object.
 
 ```js
 function UserName({ children }) {