diff --git a/reference/users/youwen/config/harper-ls/dictionary.txt b/reference/users/youwen/config/harper-ls/dictionary.txt
index de63ae0..03ae3d7 100644
--- a/reference/users/youwen/config/harper-ls/dictionary.txt
+++ b/reference/users/youwen/config/harper-ls/dictionary.txt
@@ -5,6 +5,7 @@ NixOS
 Youwen
 Vimming
 distros
+abelian
 Luarocks
 keybinds
 preimage
@@ -13,10 +14,12 @@ bijective
 bijection
 Pigenhole
 bjiection
+subspaces
 formatters
 transpiles
 Gradescope
 bijections
+additively
 disjunction
 denumerable
 Multinomial