Merge pull request #454 from mdsaqlainahmed786/updateReadMe

Fixed typos and minor verbal issues in README.md

Author: HLeithner

README.md

@@ -8,15 +8,15 @@ The Documentation can be found at [https://manual.joomla.org](https://manual.joo
 
 This manual is built using [Docusaurus 3](https://docusaurus.io/), a modern static website generator. If you want to contribute to it then this page will help you get started.
 
-Updates to the documentation is managed via this repository, so you should initially fork it into your own github account. 
+Updates to the documentation is managed via this repository, so you should initially fork it into your own GitHub account. 
 Then you can make changes to the documentation files and submit a pull request to the Joomla manual. 
 Ensure that you continue to sync your fork branches with the Joomla manual `main` branch. 
 
 The documentation uses the [Markdown](https://www.markdownguide.org/) syntax, with additional features which Docusaurus provides.
 
 To make documentation changes you'll probably find it easiest to use one of two options:
 1. Install Docusaurus on your own machine, and make changes there
-2. Use [github dev](https://github.com/github/dev) to make the changes on the github server. 
+2. Use [github dev](https://github.com/github/dev) to make the changes on the GitHub server. 
 
 ### Install Docusaurus Locally
 
@@ -49,7 +49,7 @@ To use github dev go to your repository and press the "." (dot) key, as describe
 - create new files and folders, modify and delete existing files, upload files
 - preview files (right-click on the file tab) - this will show interpreted markdown, but will not interpret Docusaurus additions
 - commit and push changes
-- return to github repository (by clicking on GitHub in bottom left, or by replacing github.dev by github.com in the URL)
+- return to GitHub repository (by clicking on GitHub in bottom left, or by replacing github.dev by github.com in the URL)
 
 ### Preview for pull request
 
@@ -63,9 +63,9 @@ This link will be added to the "checks" section in the pull request as "preview"
 
 The Joomla Manual contains documentation for multiple versions of the Joomla software. 
 
-The mapping between the versions of the manual in github and the live manual is:
+The mapping between the versions of the manual in GitHub and the live manual is:
 
-| github manual (development)      | Live Docusaurus manual                               |
+| GitHub manual (development)      | Live Docusaurus manual                               |
 | -------------------------------- |------------------------------------------------------|
 | /docs                            | "upcoming" release  (shown as /docs/next in the URL) |
 | /versioned_docs/version-m.n      | version m.n (under "Current releases")               |