Merge branch 'docs-typo-container-registry' into 'master'

Typo/Grammar in docs:container-registry

See merge request gitlab-org/gitlab!22625

doc/administration/packages/container_registry.md

@@ -98,7 +98,7 @@ There are two ways you can configure the Registry's external domain. Either:
   for that domain.
 
 Since the container Registry requires a TLS certificate, in the end it all boils
-down to how easy or pricey is to get a new one.
+down to how easy or pricey it is to get a new one.
 
 Please take this into consideration before configuring the Container Registry
 for the first time.