Deleting duplicate word

Author: v-regandowner

articles/azure-resource-manager/bicep/child-resource-name-type.md

@@ -17,7 +17,7 @@ This article show different ways you can declare a child resource.
 
 ### Training resources
 
-If you would rather learn about about child resources through step-by-step guidance, see [Deploy child and extension resources by using Bicep](/training/modules/child-extension-bicep-templates).
+If you would rather learn about child resources through step-by-step guidance, see [Deploy child and extension resources by using Bicep](/training/modules/child-extension-bicep-templates).
 
 ## Name and type pattern