Improve codespell configuration comments for clarity

Co-authored-by: aaronpowell <434140+aaronpowell@users.noreply.github.com>

Author: Copilot

.codespellrc

@@ -8,9 +8,9 @@
 # ois - ObjectInputStream abbreviation in Java
 # gir - valid abbreviation/technical term
 # rouge - Rouge is a syntax highlighter (not "rogue")
-# categor - appears to be a partial word in code
-# aline - proper name (Aline Ávila)
-# ative - appears in context of "native" alternatives
+# categor - TypeScript template literal in website/src/scripts/pages/skills.ts:70 (categor${...length > 1 ? "ies" : "y"})
+# aline - proper name (Aline Ávila, contributor)
+# ative - part of "Declarative Agents" in TypeSpec M365 Copilot documentation (collections/typespec-m365-copilot.collection.md)
 ignore-words-list = numer,wit,aks,edn,ser,ois,gir,rouge,categor,aline,ative,afterall,deques
 # Skip certain files and directories
 skip = .git,node_modules,package-lock.json,*.lock,website/build,website/.docusaurus