Updated the link in github-glossary.md (#40812)

Co-authored-by: Sharra-writes <[email protected]>

Author: VimalaMoger

content/get-started/learning-about-github/github-glossary.md

@@ -24,5 +24,5 @@ versions:
 ## Further reading
 
 * [The Official Git Glossary](https://www.kernel.org/pub/software/scm/git/docs/gitglossary.html)
-* [Git documentation](https://git-scm.com/doc)
-* [Git command list](https://git-scm.com/docs)
+* [Git documentation](https://git-scm.com/docs)
+* [Git command list](https://git-scm.com/docs/git#_git_commands)