docs: fixed spelling (#284)

The official name of this software platform is spelled with a capital "H"

README.md

@@ -1,12 +1,12 @@
 # github-tag-action
 
-A Github Action to automatically bump and tag master, on merge, with the latest SemVer formatted version.
+A GitHub Action to automatically bump and tag master, on merge, with the latest SemVer formatted version.
 
 [![Build Status](https://github.com/anothrNick/github-tag-action/workflows/Bump%20version/badge.svg)](https://github.com/anothrNick/github-tag-action/workflows/Bump%20version/badge.svg)
 [![Stable Version](https://img.shields.io/github/v/tag/anothrNick/github-tag-action)](https://img.shields.io/github/v/tag/anothrNick/github-tag-action)
 [![Latest Release](https://img.shields.io/github/v/release/anothrNick/github-tag-action?color=%233D9970)](https://img.shields.io/github/v/release/anothrNick/github-tag-action?color=%233D9970)
 
-> Medium Post: [Creating A Github Action to Tag Commits](https://itnext.io/creating-a-github-action-to-tag-commits-2722f1560dec)
+> Medium Post: [Creating A GitHub Action to Tag Commits](https://itnext.io/creating-a-github-action-to-tag-commits-2722f1560dec)
 
 [<img src="https://miro.medium.com/max/1200/1*_4Ex1uUhL93a3bHyC-TgPg.png" width="400">](https://itnext.io/creating-a-github-action-to-tag-commits-2722f1560dec)
 
@@ -84,7 +84,7 @@ _NOTE: set the fetch-depth for `actions/checkout@v2` or newer to be sure you ret
 
 - **GITHUB_TOKEN** **_(required)_** - Required for permission to tag the repo.
 - **DEFAULT_BUMP** _(optional)_ - Which type of bump to use when none explicitly provided (default: `minor`).
-- **DEFAULT_BRANCH** _(optional)_ - Overwrite the default branch its read from Github Runner env var but can be overwritten (default: `$GITHUB_BASE_REF`). Strongly recommended to set this var if using anything else than master or main as default branch otherwise in combination with history full will error.
+- **DEFAULT_BRANCH** _(optional)_ - Overwrite the default branch its read from GitHub Runner env var but can be overwritten (default: `$GITHUB_BASE_REF`). Strongly recommended to set this var if using anything else than master or main as default branch otherwise in combination with history full will error.
 - **WITH_V** _(optional)_ - Tag version with `v` character.
 - **RELEASE_BRANCHES** _(optional)_ - Comma separated list of branches (bash reg exp accepted) that will generate the release tags. Other branches and pull-requests generate versions postfixed with the commit hash and do not generate any tag. Examples: `master` or `.*` or `release.*,hotfix.*,master` ...
 - **CUSTOM_TAG** _(optional)_ - Set a custom tag, useful when generating tag based on f.ex FROM image in a docker image. **Setting this tag will invalidate any other settings set!**
@@ -131,7 +131,7 @@ If `#none` is contained in the merge commit message, it will skip bumping regard
 - On push (or merge), the action will:
   - Get latest tag
   - Bump tag with minor version unless the merge commit message contains `#major` or `#patch`
-  - Pushes tag to github
+  - Pushes tag to GitHub
   - If triggered on your repo's default branch (`master` or `main` if unchanged), the bump version will be a release tag. see [issue 266](https://github.com/anothrNick/github-tag-action/issues/266).
   - If triggered on any other branch, a prerelease will be generated, depending on the bump, starting with `*-<PRERELEASE_SUFFIX>.1`, `*-<PRERELEASE_SUFFIX>.2`, ...
   - To create a repository release you need another workflow like [automatic-releases](https://github.com/marketplace/actions/automatic-releases).