diff --git a/doc/components.mdwn b/doc/components.mdwn
index 93be79c..4c4d9c7 100644
--- a/doc/components.mdwn
+++ b/doc/components.mdwn
@@ -13,6 +13,8 @@ components.
   will put the command in `~/.cabal/bin/propellor`. This propellor command
   is just a wrapper; it builds and runs what you have set up in `~/.propellor/`
 
+## full repository
+
 Typically, the `~/.propellor/` git repository is set up by running the
 propellor command, or by [[cloning propellor|install]]. That makes
 the repository contain the full source code to propellor, including
@@ -23,6 +25,8 @@ Don't like how a property works, or need to make it more general? Just edit
 then copy in `~/.propellor/src/Propellor/` and it will be used. See
 [[contributing]] if you want to send your improvements back.
 
+## minimal config repository
+
 All that really needs to be in `~/.propellor/` though, is a `config.hs`
 file, and a cabal file. To use propellor this way, you can first
 install propellor, and then copy the two files from the