Address feedback: improve timeline clarity and rename localized string

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

Author: Copilot

docs/changelog.md

@@ -35,7 +35,7 @@ See [upgrade notes][1] for helpful information when upgrading from previous vers
     - Check that replica locations are in allowed regions by @BernieWhite.
       [#3441](https://github.com/Azure/PSRule.Rules.Azure/issues/3441)
   - Azure Cache for Redis:
-    - Check that Azure Cache for Redis is migrated to Azure Managed Redis by @BenjaminEngeset.
+    - Check that legacy Azure Cache for Redis instances are migrated to Azure Managed Redis by @BenjaminEngeset.
       [#3605](https://github.com/Azure/PSRule.Rules.Azure/issues/3605)
   - Managed Instance for Apache Cassandra:
     - Check that Managed Instance for Apache Cassandra clusters have availability zones enabled by @BenjaminEngeset.

docs/en/rules/Azure.Redis.MigrateAMR.md

@@ -19,12 +19,12 @@ Azure Cache for Redis is being retired. Migrate to Azure Managed Redis.
 Microsoft has announced the retirement timeline for Azure Cache for Redis across all SKUs.
 The recommended replacement going forward is Azure Managed Redis.
 
-Azure Cache for Redis (Basic, Standard, Premium):
+Azure Cache for Redis (Basic, Standard, Premium) will be retired according to the following timeline:
 
-- Creation blocked for new customers: April 1, 2026
-- Creation blocked for existing customers: October 1, 2026
-- Retirement Date: September 30, 2028
-- Instances will be disabled starting October 1, 2028
+- Creation blocked for new customers: April 1, 2026.
+- Creation blocked for existing customers: October 1, 2026.
+- Retirement Date: September 30, 2028.
+- Instances will be disabled starting October 1, 2028.
 
 To avoid service disruption, migrate your workloads to Azure Managed Redis.
 

src/PSRule.Rules.Azure/en/PSRule-rules.psd1

@@ -131,5 +131,5 @@
     ResourceHasNoTags = "The resource does not have any tags. Expected tags: {0}."
     ActiveSecurityAlerts = "There are {0} active security alerts of high or medium severity."
     KeyValueShouldNotContainSecrets = "The key value '{0}' property should not contain secrets."
-    AzureCacheRedisRetirement = "Azure Cache for Redis is being retired. Migrate to Azure Managed Redis."
+    AzureCacheRedisMigrateAMR = "Azure Cache for Redis is being retired. Migrate to Azure Managed Redis."
 }

src/PSRule.Rules.Azure/rules/Azure.Redis.Rule.ps1

@@ -125,7 +125,7 @@ Rule 'Azure.Redis.Version' -Ref 'AZR-000347' -Type 'Microsoft.Cache/redis' -Tag
 
 # Synopsis: Azure Cache for Redis is being retired. Migrate to Azure Managed Redis.
 Rule 'Azure.Redis.MigrateAMR' -Ref 'AZR-000506' -Type 'Microsoft.Cache/redis' -Tag @{ release = 'GA'; ruleSet = '2025_12'; 'Azure.WAF/pillar' = 'Operational Excellence'; } {
-    $Assert.Fail($LocalizedData.AzureCacheRedisRetirement)
+    $Assert.Fail($LocalizedData.AzureCacheRedisMigrateAMR)
 }
 
 #region Helper functions