Update provider.mdx (1.14)

Author: dsa0x

content/terraform/v1.14.x (beta)/docs/language/block/provider.mdx

@@ -301,7 +301,7 @@ Child modules do not inherit provider source or version requirements, so you mus
 
 ### Using an alternate provider configuration in a child module
 
-To use an aliased provider configurations in a child module, the child module must declare the alias using the `configuration_aliases` argument in the `required_providers` block.
+To use an aliased provider configuration in a child module, the child module must declare the alias using the `configuration_aliases` argument in the `required_providers` block.
 
 In the following example, the root module passes the `aws.west` alias to the `web-server` child module: