diff --git a/.config/nvim/lua/my/completion.lua b/.config/nvim/lua/my/completion.lua
index 86ba971..9c350cb 100644
--- a/.config/nvim/lua/my/completion.lua
+++ b/.config/nvim/lua/my/completion.lua
@@ -24,8 +24,8 @@ packer.use {
                 documentation = cmp.config.window.bordered(),
             },
             mapping = cmp.mapping.preset.insert({
-                ['<C-b>'] = cmp.mapping.scroll_docs(-4),
-                ['<C-f>'] = cmp.mapping.scroll_docs(4),
+                ['<S-PageUp>'] = cmp.mapping.scroll_docs(-4),
+                ['<S-PageDown>'] = cmp.mapping.scroll_docs(4),
                 ['<C-Space>'] = cmp.mapping.complete(),
                 ['<C-e>'] = cmp.mapping.abort(),
                 ['<End>'] = cmp.mapping.abort(),