diff --git a/docs/decisions/0018-units-as-containers.rst b/docs/decisions/0018-units-as-containers.rst
index 18719288..efb04852 100644
--- a/docs/decisions/0018-units-as-containers.rst
+++ b/docs/decisions/0018-units-as-containers.rst
@@ -1,5 +1,5 @@
 18. Modeling Units as a Concrete Implementation of the Container Capability
-=======================================================================
+===========================================================================
 
 Context
 -------
diff --git a/docs/decisions/0019-selectors.rst b/docs/decisions/0019-selectors.rst
new file mode 100644
index 00000000..29253422
--- /dev/null
+++ b/docs/decisions/0019-selectors.rst
@@ -0,0 +1,4 @@
+Selectors for Dynamically Selecting Content
+===========================================
+
+WIP