diff --git a/knowledge b/knowledge
index beb801abd..a661d15a3 160000
--- a/knowledge
+++ b/knowledge
@@ -1 +1 @@
-Subproject commit beb801abdfa3bc0105399e573d8b57cb93fbcb0d
+Subproject commit a661d15a353a7e5cf77180b1fd356b8b5d8d18d1