diff --git a/docs/tools.md b/docs/tools.md
index c5e30389a..b01020595 100644
--- a/docs/tools.md
+++ b/docs/tools.md
@@ -83,6 +83,8 @@ pontos-update-header -d <dir1> <dir2>
 `.po`
 `.py`
 `.sh`
+`.ts`
+`.tsx`
 `.txt`
 `.xml`
 `.xsl`