Update README.md

Author: Rich-Harris

README.md

@@ -2,7 +2,7 @@
 
 The magical disappearing UI framework.
 
-* [Read the introductory blog post.](https://svelte.technology/blog/frameworks-without-the-framework/)
+* [Read the introductory blog post](https://svelte.technology/blog/frameworks-without-the-framework/)
 * [Read the guide](https://svelte.technology/guide)
 * [Try it out](https://svelte.technology/repl)
 * [Chat on Gitter](https://gitter.im/sveltejs/svelte)