Update tools.md

tools.md

@@ -7,7 +7,7 @@
 - Deepnote
 - [Epiphany](https://epiphany.pub/) "a new blogging experience"
 - [Iodide](https://github.com/iodide-project/iodide) Run notebook in the browser
-- {Pyodide](https://github.com/iodide-project/pyodide) Run Python in the browser
+- [Pyodide](https://github.com/iodide-project/pyodide) Run Python in the browser
 - [Klipse](https://github.com/viebel/klipse) Run interactive code in tech blogs
 - Matlab / R
 - Mathematica