Update README.md

loki20beta · web-flow · commit a29649f9d3f1 · 2017-06-02T10:08:31.000+09:00
fix toc anchor
diff --git a/README.md b/README.md
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 GraphicsJS is a lightweight JavaScript graphics library with the intuitive API, based on SVG/VML technology.
 
 * [Overview](#overview)
-* [Quick Start](#quick_start)
+* [Quick Start](#quick-start)
 * [Articles](#articles)
 * [Building](#building)
 * [Links](#articles)
