Update docs/spec/draft/threats.md

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

docs/spec/draft/threats.md

@@ -213,7 +213,7 @@ Intermediate revisions don't count as being reviewed and are not added to the pr
 
 *Example:* Adversary sends a pull request containing malicious commit X and benign commit Y that undoes X.
 The produced diff of X + Y contains zero lines of changed code and the reviewer may not notice that X is malicious unless they review each commit in the request.
-If X is allowed to become reachable from the protected branch, the content may become available in secured contexts, such as developer machines and vulnerable to exploits.
+If X is allowed to become reachable from the protected branch, the content may become available in secured environments such as developer machines.
 
 Solution: The code review tool does not merge contributor-created commits, and instead merges a single new commit representing only the reviewed "changes from all commits."