diff --git a/spell/en.utf-8.add b/spell/en.utf-8.add
index eceb833..7147233 100644
--- a/spell/en.utf-8.add
+++ b/spell/en.utf-8.add
@@ -171,3 +171,4 @@ gcc
 linux
 chibicc
 chibi
+readonly
diff --git a/spell/en.utf-8.add.spl b/spell/en.utf-8.add.spl
index e6fb875..dd251ef 100644
Binary files a/spell/en.utf-8.add.spl and b/spell/en.utf-8.add.spl differ