diff --git a/.config/nvim/ftplugin/c.vim b/.config/nvim/ftplugin/c.vim
new file mode 100644
index 0000000..74a339c
--- /dev/null
+++ b/.config/nvim/ftplugin/c.vim
@@ -0,0 +1,2 @@
+nmap <silent> <Leader>; <Plug>(cosco-commaOrSemiColon)
+imap <silent> <Leader>; <c-o><Plug>(cosco-commaOrSemiColon)
diff --git a/.config/nvim/ftplugin/cpp.vim b/.config/nvim/ftplugin/cpp.vim
new file mode 100644
index 0000000..74a339c
--- /dev/null
+++ b/.config/nvim/ftplugin/cpp.vim
@@ -0,0 +1,2 @@
+nmap <silent> <Leader>; <Plug>(cosco-commaOrSemiColon)
+imap <silent> <Leader>; <c-o><Plug>(cosco-commaOrSemiColon)
diff --git a/.config/nvim/init.lua b/.config/nvim/init.lua
index 1be7bf3..5407628 100644
--- a/.config/nvim/init.lua
+++ b/.config/nvim/init.lua
@@ -99,6 +99,7 @@ require("lazy").setup({
 	"liuchengxu/vista.vim",
 	"mhinz/vim-startify",
 	"https://git.mathux.org/mathieu/taglist.git",
+	"lfilho/cosco.vim",
 	-- Highlight todo, notes, etc in comments
 	{
 		"folke/todo-comments.nvim",