chore: address comments

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: zepfred

docs/src/modules/ROOT/pages/optimization-algorithms/move-selector-reference.adoc

@@ -837,7 +837,7 @@ In the case of a <<listVariableNearbySelection, list variable>>,
 `Origin_` is always a planning value (for example `Customer`),
 but `Destination_` can be either a planning value or a planning entity.
 
-As an example, consider the Vehicle Routing Problem and list variable to store the customer list for each vehicle.
+As an example, consider the Vehicle Routing Problem and a list variable to store the customer list for each vehicle.
 The distance meter must be able to handle both `Customer` and `Vehicle` as the `Destination_` argument:
 
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