Meta update (#612)

* Meta update

* Apply suggestion from @Copilot

Co-authored-by: Copilot <[email protected]>

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Co-authored-by: Sally <[email protected]>
Co-authored-by: Copilot <[email protected]>

Author: 3 people

docs/explanation/active-directory/the-rid-idmap-backend.md

@@ -1,7 +1,7 @@
 ---
 myst:
   html_meta:
-    description: "Understand the RID IDMap backend for algorithmic UID/GID mapping based on Windows Relative Identifiers in Active Directory."
+    description: "Learn about the RID IDMap backend for deterministic UID/GID allocation for Linux systems joined to Active Directory environments."
 ---
 
 (the-rid-idmap-backend)=