Capitalized cross-refs

Author: haileytap

articles/search/search-how-to-upgrade.md

@@ -20,7 +20,7 @@ An upgrade brings older search services to the capabilities of new services crea
 For [eligible services](#upgrade-eligibility), an upgrade increases the [partition storage](#higher-storage-limits) and [vector index size](#higher-vector-limits) on the same tier at no extra cost.
 
 > [!TIP]
-> Looking for tier upgrade? You can now move up between Basic and Standard (S1, S2, and S3) tiers. For more information, see [change your pricing tier](search-capacity-planning.md#change-your-pricing-tier).
+> Looking for tier upgrade? You can now move up between Basic and Standard (S1, S2, and S3) tiers. For more information, see [Change your pricing tier](search-capacity-planning.md#change-your-pricing-tier).
 
 This article describes how to upgrade your service in the [Azure portal](https://portal.azure.com/). Alternatively, you can use the [Search Management REST APIs](/rest/api/searchmanagement/) to upgrade your service programmatically. For more information, see [Manage your search service using REST](search-manage-rest.md#upgrade-a-service).
 

articles/search/search-sku-manage-costs.md

@@ -100,7 +100,7 @@ Search runs as a continuous service. Dedicated resources are always operational,
 
 **Can I change the billing rate (tier) of an existing search service?**
 
-Existing services can be switched between Basic and Standard (S1, S2, and S3) tiers. Currently, you can only switch from a lower tier to a higher tier, such as going from Basic to S1. For more information, see [change your pricing tier](search-capacity-planning.md#change-your-pricing-tier).
+Existing services can be switched between Basic and Standard (S1, S2, and S3) tiers. Currently, you can only switch from a lower tier to a higher tier, such as going from Basic to S1. For more information, see [Change your pricing tier](search-capacity-planning.md#change-your-pricing-tier).
 
 ## Next steps
 

articles/search/search-sku-tier.md

@@ -104,7 +104,7 @@ This billing model is based on the concept of applying the billing rate to the n
 
 ## Tier changes
 
-Services can be switched between Basic and Standard (S1, S2, and S3) tiers. Currently, you can only switch from a lower tier to a higher tier, such as going from Basic to S1. Your region also can't have capacity constraints on the higher tier. For more information, see [change your pricing tier](search-capacity-planning.md#change-your-pricing-tier).
+Services can be switched between Basic and Standard (S1, S2, and S3) tiers. Currently, you can only switch from a lower tier to a higher tier, such as going from Basic to S1. Your region also can't have capacity constraints on the higher tier. For more information, see [Change your pricing tier](search-capacity-planning.md#change-your-pricing-tier).
 
 If you want to switch to a lower tier or to a different tier than those previously listed, the approach is: