Fix minor typo.

docs/resources/azurecaf_naming_convention.md

@@ -4,7 +4,7 @@ The resource naming_convention implements a set of methodologies to apply consis
 
 The naming_convention is the initial resource released as part of the azurecaf provider, the naming_convention supports a fixed set of resources as described in the documention. In order to provider more flexibility and support the large breadth of Azure resources available you can use the azurecaf_name resource.
 
-## Exemple usage
+## Example usage
 This example outputs one name, the result of the naming convention query. The result attribute returns the name based on the convention and parameters input.
 
 The example generates a 23 characters name compatible with the specification for an Azure Resource Group