diff --git a/init.fnl b/init.fnl
index 0074dbe..9c8c48f 100644
--- a/init.fnl
+++ b/init.fnl
@@ -48,7 +48,7 @@
 (set vim.opt.undofile true)
 ; Text width
 (set vim.opt.textwidth 80)
-; Spell options
+; Spell optionis
 (set vim.opt.spelllang "en_us,cjk")
 (set vim.opt.spelloptions :camel)
 ; Allow more freedom with the cursor
@@ -58,6 +58,8 @@
 (set vim.opt.modelines 0)
 ; Auto chdir into files' dirs
 ;(set vim.opt.autochdir true)
+; Enable substitute 'g' flag by default
+(set vim.opt.gdefault true)
 
 ;; Remove trailing whitespace
 (fn remove-trailing-whitespace []