diff --git a/src/raft.rs b/src/raft.rs
index 5af1eca4..7abdf28e 100644
--- a/src/raft.rs
+++ b/src/raft.rs
@@ -1627,7 +1627,7 @@ impl<T: Storage> Raft<T> {
             // the rejection's log term. If a probe at one of these indexes
             // succeeded, its log term at that index would match the leader's,
             // i.e. 3 or 5 in this example. But the follower already told the
-            // leader that it is still at term 2 at index 9, and since the
+            // leader that it is still at term 2 at index 6, and since the
             // log term only ever goes up (within a log), this is a contradiction.
             //
             // At index 1, however, the leader can draw no such conclusion,