Merge branch 'docs-fix-master-customer-portal' into 'master'

Change customer portal capitalization to fix broken master

See merge request gitlab-org/gitlab!48586

doc/subscriptions/gitlab_com/index.md

@@ -301,9 +301,9 @@ Be aware that:
   be deducted from your Additional Minutes quota immediately after your purchase of additional
   minutes.
 
-## Customers portal
+## Customers Portal
 
-GitLab provides a [customer portal](../index.md#customers-portal) where you can
+GitLab provides the [Customers Portal](../index.md#customers-portal) where you can
 manage your subscriptions and your account details.
 
 ## Contact Support

doc/subscriptions/index.md

@@ -77,7 +77,7 @@ With the [Customers Portal](https://customers.gitlab.com/) you can:
 - [Change your payment method](#change-your-payment-method)
 - [Change the linked account](#change-the-linked-account)
 - [Change the associated namespace](#change-the-associated-namespace)
-- [Change customers portal account password](#change-customer-portal-account-password)
+- [Change customers portal account password](#change-customers-portal-account-password)
 
 ### Change your personal details
 
@@ -154,7 +154,7 @@ With a linked GitLab.com account:
 
 Subscription charges are calculated based on the total number of users in a group, including its subgroups and nested projects. If the total number of users exceeds the number of seats in your subscription, your account is charged for the additional users.
 
-### Change customer portal account password
+### Change Customers Portal account password
 
 To change the password for this customers portal account:
 

doc/subscriptions/self_managed/index.md

@@ -315,9 +315,9 @@ only.
 However, if you remove the license, you immediately revert to Core
 features, and the instance become read / write again.
 
-## Customers portal
+## Customers Portal
 
-GitLab provides a [customer portal](../index.md#customers-portal) where you can
+GitLab provides the [Customers Portal](../index.md#customers-portal) where you can
 manage your subscriptions and your account details.
 
 ## Contact Support