docs: Make example italic

Author: patrikbraborec

sources/platform/actors/publishing/monetize/pay_per_event.mdx

@@ -392,9 +392,9 @@ The platform usage costs are just examples, but you can see the actual costs in
 
 ### Revenue breakdown
 
-- **Revenue (paid users only)**: $20 + $11 = **$31**
-- **Platform cost (paid users only)**: $2.50 + $1.50 = **$4**
-- **Profit**: 0.8 × $31 − $4 = **$20.80**
+- _Revenue (paid users only)_: $20 + $11 = _\$31_
+- _Platform cost (paid users only)_: $2.50 + $1.50 = _\$4_
+- _Profit_: 0.8 × $31 − $4 = _\$20.80_
 
 ## Event names