Clarify example usage in Picker Data Source Type README

Author: madsrasmussen

17/umbraco-cms/customizing/property-editors/data-source-types/picker/README.md

@@ -1,6 +1,6 @@
 # Picker Data Source Type
 
-The `Umb.DataSourceType.Picker` Data Source Type is used by Property Editors that pick entities, e.g. the built-in [Entity Data Picker Property Editor](../../../../fundamentals/backoffice/property-editors/built-in-umbraco-property-editors/entity-data-picker.md).
+The `Umb.DataSourceType.Picker` Data Source Type is used by Property Editors that pick entities, for example, the built-in [Entity Data Picker Property Editor](../../../../fundamentals/backoffice/property-editors/built-in-umbraco-property-editors/entity-data-picker.md).
 
 ## Register a Picker Data Source