diff --git a/init.lua b/init.lua
index 3c957795..46bbb2b6 100644
--- a/init.lua
+++ b/init.lua
@@ -679,8 +679,9 @@ require('lazy').setup({
           -- Select the [p]revious item
           ['<C-p>'] = cmp.mapping.select_prev_item(),
 
-          -- scroll [u]p and [d]own the documentation window
+          -- scroll documentation window up
           ['<C-b>'] = cmp.mapping.scroll_docs(-4),
+          -- scroll documentation window down
           ['<C-f>'] = cmp.mapping.scroll_docs(4),
 
           -- Accept ([y]es) the completion.