Update git submodules

[doc.git] / docs / submodules / modeling / modelspec.git

diff --git a/docs/submodules/modeling/modelspec.git b/docs/submodules/modeling/modelspec.git
index 4c4d74a..67cb688 160000 (submodule)
--- a/docs/submodules/modeling/modelspec.git
+++ b/docs/submodules/modeling/modelspec.git
@@ -1 +1 @@
-Subproject commit 4c4d74aefb57554a8353e47a039f8351d13af326
+Subproject commit 67cb688780547428c9d34ecce76343ffce611434