Fix typo

Author: PrinOrange

doc/plugins.md

@@ -264,7 +264,7 @@ The list of plugins:
   — write plugins to redact content from a markdown document,
   then restore it later
 * 🟢 [`remark-refer-plantuml`](https://github.com/PrinOrange/remark-refer-plantuml)
-  — a Unified/Remark plugin to automatically refer PlantUML diagrams into embeddable image URLs.
+  — automatically transform PlantUML code into referenced embeddable image URLs
 * 🟢 [`remark-reference-links`](https://github.com/remarkjs/remark-reference-links)
   — transform links and images into references and definitions
 * 🟢 [`remark-rehype`](https://github.com/remarkjs/remark-rehype)