Update 2017-04-08.md

Author: DovydasNavickas

docs/2017-04/2017-04-08.md

@@ -16,7 +16,7 @@ Over the past few years we worked with React, we tried **MANY** form libraries t
 * Performance is usually bottlenecking as the project grows
 * No really flux friendly
 * Not friendly with TypeScript
-* There are not a single library that is build **in the React way**
+* There is not a single library that is built **in the React way**
 
 Ok, so the big one is the libraries can never be consumed in a **React** way, which raises a whole bunch of other problems:
 * You have to learn everything from the ground up to use the library