diff --git a/README.md b/README.md
index 435db3c..e09b7a7 100644
--- a/README.md
+++ b/README.md
@@ -45,9 +45,9 @@ SDS makes decisions at both unit and force levels using machine learning. Howeve
 
 SDS also ships with a live viewer for its decisions, which can be run alongside a match to visualize how the bot understands the current match and what decision it plans to make next.
 
-### SDS is deterministic and reproducible.
+### SDS is reproducible.
 
-Two instances of SDS playing each other on the same scenario with the same seed should be _guaranteed_ to replay to the same outcome, regardless of factors like parallelism or system load.
+SDS decisions are deterministic — the same observation yields the same decision. However, matches are not guaranteed to replay identically with the same seed; see `bridge/sds/SeededRandom.java` for what seeding guarantees and what it does not.
 
 ## Design