Update sip-390.md

content/sips/sip-390.md

@@ -37,7 +37,7 @@ The minimum credit calculation update ensures that markets are sufficiently cove
 
 <!--This is where you explain the reasoning behind how you propose to solve the problem. Why did you propose to implement the change in this way, what were the considerations and trade-offs. The rationale fleshes out what motivated the design and why particular design decisions were made. It should describe alternate designs that were considered and related work. The rationale may also provide evidence of consensus within the community, and should discuss important objections or concerns raised during discussion.-->
 
-The original [validation](https://github.com/Synthetixio/synthetix-v3/blob/cace699d1fb070042ca09a390c95548c31a5d025/protocol/synthetix/contracts/storage/Market.sol#L278) did not take into account that traders' margin are included credit capacity. This only applies to `snxUSD` while other spot synths are not included into `creditCapacity` when deposited by traders. 
+The original [validation](https://github.com/Synthetixio/synthetix-v3/blob/cace699d1fb070042ca09a390c95548c31a5d025/protocol/synthetix/contracts/storage/Market.sol#L278) did not take into account that traders' margin are included credit capacity. This patch only needs to be applied to, `snxUSD`, while other spot synths, deposited by traders are **not** included into `creditCapacity` calculation by the core system.
 
 
 ## Technical Specification