Update docs/spec/draft/threats.md

Signed-off-by: Zachariah Cox <[email protected]>

docs/spec/draft/threats.md

@@ -89,7 +89,7 @@ Threats in this category can be mitigated by following source control management
 
 *Threat:* Submit code to the source repository without another person reviewing.
 
-*Mitigation:* The producer can require pre-approval for all changes.
+*Mitigation:* The producer requires approval of all changes before they are accepted.
 
 *Example:* Adversary directly pushes a change to a git repo's `main` branch.
 Solution: The producer can configure branch protection rules on the `main` branch.