Update content/stellar-contracts/accounts/smart-account.mdx

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: brozorec

content/stellar-contracts/accounts/smart-account.mdx

@@ -79,7 +79,7 @@ This separation allows for clean composition of authorization requirements while
 
 ## Authorization Flow
 
-Authorization is determined by matching the current call context against the account's context rules:
+Authorization is determined per authorization context by evaluating the specific context rule explicitly selected by the client:
 
 1. **Rule Lookup**: Look up the context rule specified by the client via `context_rule_ids` in the `AuthPayload`
 2. **Rule Evaluation**: Validate the rule matches the context, authenticate signers, and enforce policies (policies panic on failure)