diff --git a/basic_signs b/basic_signs
index 275d3e7..6f4f80b 160000
--- a/basic_signs
+++ b/basic_signs
@@ -1 +1 @@
-Subproject commit 275d3e720707f3614a5ca54430fe2a21f7bffa52
+Subproject commit 6f4f80bdc6c153c3e7745f182c5e1f2e30f14b50