Make superlinter happy

Author: waybackarchiver

README.md

@@ -290,6 +290,6 @@ Thanks to DigitalOcean for supporting open-source software.
 
 <p>
   <a href="https://m.do.co/c/cb27a8691d73">
-    <img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_blue.svg" width="201px">
+    <img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_blue.svg" width="201px" alt="DigitalOcean">
   </a>
 </p>