Update README.md

Co-authored-by: Matthew John Cheetham <[email protected]>

Author: wolf99

README.md

@@ -14,9 +14,9 @@ Git Credential Manager (GCM) replaces the .NET Framework-based [Git Credential M
 
 Git Credential Manager is currently available for Windows, macOS, and Linux\*. GCM only works with HTTP(S) remotes; you can still use Git with SSH:
 
-- [Azure DevOps SSH][]
-- [GitHub SSH][]
-- [Bitbucket SSH][]
+- [Azure DevOps SSH][azure-devops-ssh]
+- [GitHub SSH][github-ssh]
+- [Bitbucket SSH][bitbucket-ssh]
 
 Feature|Windows|macOS|Linux
 -|:-:|:-:|:-: