Answer:
product modification strategy
Step-by-step explanation:
Product modification strategies are usually carried out with products that are already in its maturity stage. It basically refers to adding modifications that increase the perceived value or use of the product, in an attempt to appeal to broader markets. That way the life cycle of the product will be extended.
The main difference with a product line extension strategy, is that a product modification strategy is used to reach new markets, while product line extension is used to increase the sales within an existing market.