docs: Update README.md (#2044)

davidsneighbour · web-flow · commit 0538b6309e5c · 2025-05-04T10:27:12.000+02:00
fixed some language issues.
diff --git a/README.md b/README.md
@@ -9,7 +9,7 @@ These plugins can lint your CSS, support variables and mixins,
 transpile future CSS syntax, inline images, and more.
 
 PostCSS is used by industry leaders including Wikipedia, Twitter, Alibaba,
-and JetBrains. The [Autoprefixer] and [Stylelint] PostCSS plugins is one of the most popular CSS tools.
+and JetBrains. The [Autoprefixer] and [Stylelint] PostCSS plugins are some of the most popular CSS tools.
 
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