diff --git a/.cspell/words.txt b/.cspell/words.txt
index 8cbf1ff..57feca2 100644
--- a/.cspell/words.txt
+++ b/.cspell/words.txt
@@ -95,6 +95,7 @@ cppman
 cpptools
 cppvsdbg
 cprev
+cssls
 ctermbg
 ctermfg
 cursorcolumn