diff --git a/lua/settings/init.lua b/lua/settings/init.lua
index 3624e80..bc74e49 100755
--- a/lua/settings/init.lua
+++ b/lua/settings/init.lua
@@ -9,6 +9,7 @@ local cmd = vim.cmd     				-- Execute Vim commands
 local exec = vim.api.nvim_exec 	-- Execute Vimscript
 local g = vim.g         				-- Global variables
 local opt = vim.opt         		-- Set options (global/buffer/windows-scoped)
+local o = vim.o
 
 -----------------------------------------------------------
 -- General
@@ -100,3 +101,14 @@ local disabled_built_ins = {
 for _, plugin in pairs(disabled_built_ins) do
     vim.g["loaded_" .. plugin] = 1
 end
+
+--[[
+Deletes all trailing whitespaces in a file if it's not binary nor a diff.
+]]--
+function _G.trim_trailing_whitespaces()
+    if not o.binary and o.filetype ~= 'diff' then
+        local current_view = fn.winsaveview()
+        cmd([[keeppatterns %s/\s\+$//e]])
+        fn.winrestview(current_view)
+    end
+end
diff --git a/spell/en.utf-8.add b/spell/en.utf-8.add
index 73b1db1..b89df36 100644
--- a/spell/en.utf-8.add
+++ b/spell/en.utf-8.add
@@ -150,3 +150,9 @@ AppCues
 appcues
 Skuad
 Skuid
+COO
+Nergis
+pdf
+FiveTran
+BigQuery
+COO
diff --git a/spell/en.utf-8.add.spl b/spell/en.utf-8.add.spl
index 4a4b4fe..482ed96 100644
Binary files a/spell/en.utf-8.add.spl and b/spell/en.utf-8.add.spl differ