Update 174 TOC and Question README.md

Minor Update

Author: Benappiahpoku

README.md

@@ -220,7 +220,7 @@ Hide/Show table of contents
 | 171 | [What are the differences between Flux and Redux?](#what-are-the-differences-between-flux-and-redux)                                                                                                                             |
 | 172 | [What are the benefits of React Router V4?](#what-are-the-benefits-of-react-router-v4)                                                                                                                                           |
 | 173 | [Can you describe about componentDidCatch lifecycle method signature?](#can-you-describe-about-componentdidcatch-lifecycle-method-signature)                                                                                     |
-| 174 | [In which scenarios error boundaries do not catch errors?](#in-which-scenarios-error-boundaries-do-not-catch-errors)                                                                                                             |
+| 174 | [In which scenarios do error boundaries not catch errors?](#in-which-scenarios-do-error-boundaries-not-catch-errors)                                                                                                             |
 | 175 | [What is the behavior of uncaught errors in react 16?](#what-is-the-behavior-of-uncaught-errors-in-react-16)                                                                                                                     |
 | 176 | [What is the proper placement for error boundaries?](#what-is-the-proper-placement-for-error-boundaries)                                                                                                                         |
 | 177 | [What is the benefit of component stack trace from error boundary?](#what-is-the-benefit-of-component-stack-trace-from-error-boundary)                                                                                           |
@@ -3923,9 +3923,9 @@ Hide/Show table of contents
 
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-174. ### In which scenarios error boundaries do not catch errors?
+174. ### In which scenarios do error boundaries not catch errors?
 
-     Below are the cases in which error boundaries doesn't work,
+     Below are the cases in which error boundaries don't work,
 
      1. Inside Event handlers
      2. Asynchronous code using **setTimeout or requestAnimationFrame** callbacks