Update README.md

Author: manthanank

README.md

@@ -301,11 +301,11 @@
 |277| [How to create a standalone component uing CLI command?](#how-to-create-a-standalone-component-uing-cli-command)
 |278| [How to create a standalone component manually?](#how-to-create-a-standalone-component-manually)
 |279| [What is hydration ?](#what-is-hydration)
-|280| [What is Angular Signals ?](#what-is-angular-signals)
-|281| [What is Signals ?](#what-is-signals)
+|280| [What is Angular Signals ?](#what-are-angular-signals)
+|281| [What is Signals ?](#what-are-signals)
 |282| [Explain Angular Signals with example](#explain-angular-signals-with-example)
 |283| [What are the Route Parameters? Explain each of them.](#what-are-the-route-parameters-explain-each-of-them)
-|284| []()
+|284| [](#)
 
 1. ### What is Angular Framework?