Document how we'd override an Octavia override

web/themes/custom/agarica/agarica.info.yml

@@ -27,6 +27,9 @@ regions:
 
 libraries:
   - octavia/global
+# If we had to override an override from Octavia (something not defined in its
+# Bulma build), we would define our own library and uncomment this:
+#  - agarica/global
 
 # This section is used by the contrib module, Component Libraries. It allows you
 # to reference .twig files in your sass/ directory by using the Twig namespace: