diff --git a/tools/spellcheckers/strings.default.txt b/tools/spellcheckers/strings.default.txt
index 021448e4..8980d840 100644
--- a/tools/spellcheckers/strings.default.txt
+++ b/tools/spellcheckers/strings.default.txt
@@ -26,6 +26,7 @@ s:ss	3
 ss:s	3
 tt:t	3
 t:tt	3
+ttt:tt	3
 v:vv	3
 vv:v	3
 sj:skj	3