diff --git a/nvim/.config/nvim/lua/plugins/languages/sml.lua b/nvim/.config/nvim/lua/plugins/languages/sml.lua
index 440c5d5..202e5d6 100644
--- a/nvim/.config/nvim/lua/plugins/languages/sml.lua
+++ b/nvim/.config/nvim/lua/plugins/languages/sml.lua
@@ -8,22 +8,26 @@ return {
             {
                 '<leader>rs',
                 [[:SMLReplStart<CR>]],
-                desc = 'SML start repl'
+                desc = 'SML start repl',
+                ft = 'sml'
             },
             {
                 '<leader>rc',
                 [[:SMLReplClear<CR>]],
-                desc = 'SML clear repl'
+                desc = 'SML clear repl',
+                ft = 'sml'
             },
             {
                 '<leader>rb',
                 [[:SMLReplBuild<CR>]],
-                desc = 'SML load current file/CM project in repl'
+                desc = 'SML load current file/CM project in repl',
+                ft = 'sml'
             },
             {
                 '<leader>ro',
                 [[:SMLReplOpen<CR>]],
-                desc = 'SML open current structure in repl'
+                desc = 'SML open current structure in repl',
+                ft = 'sml'
             },
         }
     }