fix typo in README file description

Author: JohnRob-jnr

Wireframe/index.html

@@ -25,7 +25,7 @@ <h2>Wireframe</h2>
         <img src="readmeimg.png" alt="" />
         <h3>README File</h3>
         <p>
-          What is the purpose of a README file? It serves as the introductory guide and intruction manual for a project,
+          What is the purpose of a README file? It serves as the introductory guide and instruction manual for a project,
           explaining what the software does, how to install and run it, and how others can contribute to it.
         </p>
         <a href="https://www.geeksforgeeks.org/git/what-is-readme-md-file/">Read more</a>