diff --git a/include/ConflictSet.h b/include/ConflictSet.h
index 0bff23b..c087a48 100644
--- a/include/ConflictSet.h
+++ b/include/ConflictSet.h
@@ -170,8 +170,8 @@ void ConflictSet_addWrites(ConflictSet *cs,
                            const ConflictSet_WriteRange *writes, int count,
                            int64_t writeVersion);
 
-/** Reads where readVersion < oldestVersion will result in `TooOld`. Must be
- * greater than or equal to all previous oldest versions. */
+/** Reads where readVersion < oldestVersion will result in `TooOld`. Ignored
+ * if not greater than or equal to all previous oldest versions. */
 void ConflictSet_setOldestVersion(ConflictSet *cs, int64_t oldestVersion);
 
 /** Reads where readVersion < oldestVersion will result in `TooOld`. There are