[doc] Consistently use title and headings
* Add a "title" attribute to make the page title show up in the
generated TOC. (The first heading isn't used there unfortunately.)
* The title serves as "h1" heading, use "h2" headings (`##`) and below
within the document.
Signed-off-by: Philipp Wagner <phw@lowrisc.org>
diff --git a/doc/ug/install_instructions/index.md b/doc/ug/install_instructions/index.md
index 0adee47..edb5e11 100644
--- a/doc/ug/install_instructions/index.md
+++ b/doc/ug/install_instructions/index.md
@@ -1,5 +1,6 @@
-# Install Build Requirements
-
+---
+title: Install Build Requirements
+---
## System requirements
