Fix header

cornelius · cornelius · commit abe1c25c8b3d · 2021-02-27T23:18:33.000+01:00
diff --git a/index.rst b/index.rst
@@ -1,5 +1,5 @@
 Getting Started
-========
+===============
 
 The site aims to provide the information you need to understand
 Bitcoin and start building Bitcoin-based applications. To make the best use of
