Update readme.md

readme.md

@@ -38,7 +38,7 @@ Below is a list of common React interview questions.
 
 
 #### How does React work?
-React creates a virtual DOM. When state changes in a component it firstly runs a "diffing" algorithm, which identifies what has changed in the virtual DOM. The second step is reconciliation, where it updates the DOM with the results of diff.
+React creates a virtual DOM. When state changes in a component it firstly runs a diffing algorithm, which identifies what has changed in the virtual DOM. The second step is reconciliation, where it updates the DOM with the results of diff.
 
 #### What are the advantages of using React?
 - It is easy to know how a component is rendered, you just need to look at the render function.