Update readme.md

readme.md

@@ -9,7 +9,7 @@
   <a href="https://github.com/revolist/revogrid/blob/master/LICENSE"><img src="https://img.shields.io/npm/l/@revolist/revogrid" alt="Software License"/></a>
   <img src="https://badgen.net/bundlephobia/dependency-count/@revolist/revogrid@latest" alt="Tree shaking"/>
   <img src="https://badgen.net/bundlephobia/tree-shaking/@revolist/revogrid@latest" alt="Tree shaking"/>
-  <img src="https://sonarcloud.io/api/project_badges/measure?project=revolist_revogrid&metric=alert_status" />
+  <img src="https://sonarcloud.io/api/project_badges/measure?project=revolist_revogrid&metric=alert_status" alt="Sonar Quality Gate"/>
 </p>
 
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