diff --git a/abstracts b/abstracts
index 7c5a602117819f65c1ca80003e2b04e13646f0ff..6ff6d8ec7903bc9317a39dcfec31b5380d52c8c6 160000
--- a/abstracts
+++ b/abstracts
@@ -1 +1 @@
-Subproject commit 7c5a602117819f65c1ca80003e2b04e13646f0ff
+Subproject commit 6ff6d8ec7903bc9317a39dcfec31b5380d52c8c6