diff --git a/docs/submodules/appc.git b/docs/submodules/appc.git
index d6969f0..51d88e9 160000
--- a/docs/submodules/appc.git
+++ b/docs/submodules/appc.git
@@ -1 +1 @@
-Subproject commit d6969f09272b77687b24aa333f45de6b33844470
+Subproject commit 51d88e957a81396a26c909dda6ab05d48decc643