diff --git a/README.md b/README.md
index 80665c1..2b0cbab 100644
--- a/README.md
+++ b/README.md
@@ -40,3 +40,10 @@ harm or damage.
 
 Obviously, this is source-available :-) Also, when the definitive thesis is
 published, I will include a link to it in this README.
+
+Language conventions
+=====
+
+- Non-Oxford British spelling (neighb_ou_r, rational_ise_)
+- Only first letter in title is capital, other are not (unless they are titles themselves)
+- Figures are referenced as "… on Figure~NUM" (i.e. capital letter, without abbreviating)