fix grammr

Author: TC-MO

sources/platform/actors/publishing/monetize.mdx

@@ -17,8 +17,8 @@ Actors in the Apify Store can be published under one of the following pricing mo
 
 1. **Free**: Userc can run the Actor without any additional charges beyond the platform usage costs generated by the Actor
 2. **Rental**: Similar to the free model, users pay for the platform usage costs. However, after a trial period, they need to pay a flat monthly fee to the develop to continue using the Actor
-3. **Paid per Result**: Users don't pay for the platform usage costs. Instead, they pay the developer based on the number of results produced by the Actor.
-4. **Paid per Event**: Users don't pay for the platform usage cost the Actor generates. Instead, they pay based on specific events defined by the developer, such as generating a single result or initiating the Actor.
+3. **Pay per Result**: Users don't pay for the platform usage costs. Instead, they pay the developer based on the number of results produced by the Actor.
+4. **Pay per Event**: Users don't pay for the platform usage cost the Actor generates. Instead, they pay based on specific events defined by the developer, such as generating a single result or initiating the Actor.
 
 ## Where to start