diff --git a/.gitignore b/.gitignore
index 4f9c659..06872e2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,11 +1,14 @@
 .history/
 .cache
-node_modules/.cache
 
+# NodeJS projects
+## Top-level
+node_modules/.cache
 node_modules/*
-
 !node_modules/@asu-design-system
 node_modules/@asu-design-system/*
+
+## Per project - asu_brand
 !node_modules/@asu-design-system/component-cookie-consent/
 node_modules/@asu-design-system/component-cookie-consent/*
 !node_modules/@asu-design-system/component-cookie-consent/dist
@@ -22,6 +25,14 @@ node_modules/@asu/component-cookie-consent/*
 node_modules/@asu/component-header/*
 !node_modules/@asu/component-header/dist
 
+# Drupal/external libraries
 /vendor/
 
+# PHPStorm (IDE) configurations
 .idea/
+
+# Config management script output
+/config/_*changes.diff
+/config/**/_diff_commands.bash
+*APPLICABLE.patch
+.DS_Store*
diff --git a/config/install/asu_brand.settings.yml b/config/install/asu_brand.settings.yml
index 7203d00..9b61e3d 100644
--- a/config/install/asu_brand.settings.yml
+++ b/config/install/asu_brand.settings.yml
@@ -1,6 +1,6 @@
 asu_brand:
   asu_brand_cookie_consent_enabled: true
-  asu_brand_universal_gtm_id: 'GTM-KDWN8Z'
+  asu_brand_universal_gtm_id: GTM-KDWN8Z
   asu_brand_gtm_enabled: true
-  asu_brand_extra_gtm_id:
+  asu_brand_extra_gtm_id: ''
   asu_brand_search_url: 'https://search.asu.edu/search'