diff --git a/doc b/doc
index 7d39602b09..78234d6ec4 160000
--- a/doc
+++ b/doc
@@ -1 +1 @@
-Subproject commit 7d39602b09f16e1687408b63af3fd6a3edb33d07
+Subproject commit 78234d6ec4ac4bf372999e27244b09121df64998