diff --git a/externals/instruction.md b/externals/instruction.md
index 4b38942..8527a91 100644
--- a/externals/instruction.md
+++ b/externals/instruction.md
@@ -3,7 +3,7 @@ Add a badge
 Add a badge to your awesome project by pasting this line in your README.md.
 
 ```html
-<a href="https://996.icu"><img src="https://img.shields.io/badge/link-996.icu-red.svg"></a>
+<a href="https://996.icu"><img src="https://img.shields.io/badge/link-996.icu-red.svg" alt="996.icu"></a>
 ```
 
 or equivalent Markdown code
@@ -11,4 +11,4 @@ or equivalent Markdown code
 ```markdown
 [![996.icu](https://img.shields.io/badge/link-996.icu-red.svg)](https://996.icu)
 ```
-<a href="https://996.icu"><img src="https://img.shields.io/badge/link-996.icu-red.svg"></a>
+<a href="https://996.icu"><img src="https://img.shields.io/badge/link-996.icu-red.svg" alt="996.icu"></a>