twrp release: make notable mentions a subheader

Change-Id: I1d12f2687d96186533a30139298b04b6a5d256e4
diff --git a/_posts/2020-12-31-twrp-3.5.0-released.markdown b/_posts/2020-12-31-twrp-3.5.0-released.markdown
index 12478b2..2b467e6 100644
--- a/_posts/2020-12-31-twrp-3.5.0-released.markdown
+++ b/_posts/2020-12-31-twrp-3.5.0-released.markdown
@@ -62,7 +62,7 @@
 
 All the above Android-9 updates are included in these supported devices.
 
-# Notable mentions:
+## Notable mentions:
 - Omni 10 minimal support: CaptainThrowback
 - General Bringup: Bigbiff, Mauronofrio, AndroidableDroid, CaptainThrowback, ianmacd, DarthJabba9
 - Encryption support: Bigbiff, Mauronofrio, CaptainThrowback