[CORD-1924]
Documentation followup patch

Change-Id: I4387182ca58fa3fbb6ebda12f94f46e1a847e68f
diff --git a/docs/scripts/defaults.md.j2 b/docs/scripts/defaults.md.j2
index 7d7405d..04738cb 100644
--- a/docs/scripts/defaults.md.j2
+++ b/docs/scripts/defaults.md.j2
@@ -1,4 +1,4 @@
-# Build System Variable Glossary
+# Build System Config Glossary
 
 {{ def_docs['frontmatter']['description'] }}
 
diff --git a/docs/scripts/descriptions.md b/docs/scripts/descriptions.md
index 6a15590..7fdd076 100644
--- a/docs/scripts/descriptions.md
+++ b/docs/scripts/descriptions.md
@@ -1,5 +1,9 @@
-This documents every variable available in the build system.  The repos these
-variables are used in are:
+
+This page documents all the configuration variables that can be set in a [POD
+config](install.md#pod-config), [scenario](install.md#scenarios), or
+[profile_manifests](https://github.com/opencord/platform-install/tree/master/profile_manifests).
+
+These variables are used in and apply to the following repositories:
 
  - [cord](https://github.com/opencord/cord) (aka "build" when checked out)
  - [maas](https://github.com/opencord/maas)