Update README.md

Author: j2doll

README.md

@@ -8,7 +8,7 @@
 
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-## 1. `CMD` Usage Examples : [backup_github.cmd](backup_github.cmd)
+## 1. `CMD` Usage Examples <sub> [backup_github.cmd](backup_github.cmd) </sub>
 
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@@ -84,7 +84,7 @@ backup_github_full.cmd https://github.com/j2doll/discussion.git
 
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-## 2. PowerShell Usage Examples (`backup_github_full.ps1`)
+## 2. PowerShell Usage Examples <sub> [backup_github.ps1](backup_github.ps1) </sub>
 
 ### 2.1. Basic Usage (OutDir not specified → current folder)