diff --git a/README.md b/README.md
index b707c6aa..c3f26504 100644
--- a/README.md
+++ b/README.md
@@ -41,8 +41,8 @@ function! s:on_lsp_buffer_enabled() abort
     nmap <buffer> [g <plug>(lsp-previous-diagnostic)
     nmap <buffer> ]g <plug>(lsp-next-diagnostic)
     nmap <buffer> K <plug>(lsp-hover)
-    inoremap <buffer> <expr><c-f> lsp#scroll(+4)
-    inoremap <buffer> <expr><c-d> lsp#scroll(-4)
+    nnoremap <buffer> <expr><c-f> lsp#scroll(+4)
+    nnoremap <buffer> <expr><c-d> lsp#scroll(-4)
 
     let g:lsp_format_sync_timeout = 1000
     autocmd! BufWritePre *.rs,*.go call execute('LspDocumentFormatSync')
diff --git a/doc/vim-lsp.txt b/doc/vim-lsp.txt
index 30135289..0655594b 100644
--- a/doc/vim-lsp.txt
+++ b/doc/vim-lsp.txt
@@ -1439,8 +1439,8 @@ lsp#scroll(count)                                             *lsp#scroll()*
     Scroll current displayed floating/popup window with specified count.
 
     Example: >
-	inoremap <buffer> <expr><c-f> lsp#scroll(+4)
-	inoremap <buffer> <expr><c-d> lsp#scroll(-4)
+	nnoremap <buffer> <expr><c-f> lsp#scroll(+4)
+	nnoremap <buffer> <expr><c-d> lsp#scroll(-4)
 
 ==============================================================================
 Commands                                                  *vim-lsp-commands*