Improve README URLs

Author: enzuru

README.md

@@ -65,12 +65,12 @@ Presuming [Elpaca](https://github.com/progfolio/elpaca), use as follows:
     - [Commands that operate on region](#commands-that-operate-on-region)
 - [IDE-like features](#ide-like-features)
 - [Demos](#demos)
-    - [[Demo 1: Practice generating code](https://enzuru.github.io/lispy/demo-1.html)](#demo-1-practice-generating-codehttpsenzurugithubiolispydemo-1)
-    - [[Demo 2: The substitution model for procedure application](https://enzuru.github.io/lispy/demo-2.html)](#demo-2-the-substitution-model-for-procedure-applicationhttpsenzurugithubiolispydemo-2)
-    - [[Demo 3: Down the rabbit hole](https://enzuru.github.io/lispy/demo-3)](#demo-3-down-the-rabbit-holehttpsenzurugithubiolispydemo-3)
-    - [[Demo 4: Project Euler p100 and Clojure](https://enzuru.github.io/lispy/demo-4)](#demo-4-project-euler-p100-and-clojurehttpsenzurugithubiolispydemo-4)
-    - [[Demo 5: ->>ification](https://enzuru.github.io/lispy/demo-5)](#demo-5--ificationhttpsenzurugithubiolispydemo-5)
-    - [[Demo 6: cond->if->cond](https://enzuru.github.io/lispy/demo-6)](#demo-6-cond-if-condhttpsenzurugithubiolispydemo-6)
+    - [Demo 1: Practice generating code](https://enzuru.github.io/lispy/demo-1.html)
+    - [Demo 2: The substitution model for procedure application](https://enzuru.github.io/lispy/demo-2.html)
+    - [Demo 3: Down the rabbit hole](https://enzuru.github.io/lispy/demo-3.html)
+    - [Demo 4: Project Euler p100 and Clojure](https://enzuru.github.io/lispy/demo-4.html)
+    - [Demo 5: ->>ification](https://enzuru.github.io/lispy/demo-5.html)
+    - [Demo 6: cond->if->cond](https://enzuru.github.io/lispy/demo-6.html)
 - [Screencasts](#screencasts)
 
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