Shorten some of the guide names in the Guides index

guides/source/documents.yaml

@@ -219,11 +219,11 @@
         Rails. It is an extremely in-depth guide and recommended for advanced
         Rails developers.
     -
-      name: Autoloading and Reloading Constants
+      name: Autoloading and Reloading
       url: autoloading_and_reloading_constants.html
-      description: This guide documents how autoloading and reloading constants work (Zeitwerk mode).
+      description: This guide documents how autoloading and reloading constants work.
     -
-      name: "Classic to Zeitwerk HOWTO"
+      name: "Migrating from Classic to Zeitwerk"
       url: "classic_to_zeitwerk_howto.html"
       description: "This guide documents how to migrate Rails applications from `classic` to `zeitwerk` mode."
     -
@@ -245,7 +245,7 @@
       url: active_record_postgresql.html
       description: This guide covers PostgreSQL specific usage of Active Record.
     -
-      name: Multiple Databases with Active Record
+      name: Multiple Databases
       url: active_record_multiple_databases.html
       description: This guide covers using multiple databases in your application.
     -
@@ -254,7 +254,7 @@
       url: active_record_encryption.html
       description: This guide covers encrypting your database information using Active Record.
     -
-      name: Composite Primary Keys in Active Record
+      name: Composite Primary Keys
       url: active_record_composite_primary_keys.html
       description: This guide is an introduction to composite primary keys for database tables.