Apply suggestions from PR review

Author: Court72

articles/cost-management-billing/savings-plan/utilization-cost-reports.md

@@ -128,10 +128,10 @@ Get the Amortized costs data and filter the data for a `PricingModel` = `Savings
 
 To know the Savings made out of public list price:
 Get public or list price cost.  Multiply the `PayGPrice` value with `Quantity` values to get public-list-price costs.
-Get Savings made out of savings plan against public list price. Substract estimated public-list-price costs from `Cost`
+Get Savings made out of savings plan against public list price. Subtract estimated public-list-price costs from `Cost`.
 
 To know the % savings made out of discounted price for customer:
-Get Savings made out of savings plan against discounts given to customer. Substract estimated pay-as-you-go from `Cost`
+Get Savings made out of savings plan against discounts given to customer. Subtract estimated pay-as-you-go from `Cost`.
 Get % discount applied on each line item. Divide `Cost` with public-list-price and then divide by 100.
 
 Keep in mind that if you have an underutilized savings plan, the `UnusedBenefit` entry for `ChargeType` becomes a factor to consider. When you have a fully utilized savings plan, you receive the maximum savings possible. Any `UnusedBenefit` quantity reduces savings.