diff --git a/electronics/disposal.md b/electronics/disposal.md
index ac477a6..9585422 100644
--- a/electronics/disposal.md
+++ b/electronics/disposal.md
@@ -6,16 +6,16 @@ ___
 
 [[_TOC_]]
 
-## Disclaimer
+# Disclaimer
 I am no where near qualified enough to claim these notes are accurate. When in doubt, take the waste material to your local disposal.
 
-### Sodium metasilicate
+## Sodium metasilicate
 Safe to mix with water and pour down the drain as far as I can find.
 
-### Sodium hydroxide
+## Sodium hydroxide
 Can be neutralised with an acid, which we should have:
 
-### Ferric chloride
+## Ferric chloride
 Besides deactivating the acid, there's also the issue of the copper dissolved in the spent ferric chloride which is detrimental to the environment.
 
 These instructions were found on [[https://wiki.london.hackspace.org.uk/w/index.php?title=Project:Deactivating_a_ferric_chloride_solution&redirect=no]]. I've copied them here in case the site goes down: