s/backoff/current_backoff/ typo in connection backoff doc
diff --git a/doc/connection-backoff.md b/doc/connection-backoff.md
index e348a2b..cabf73b 100644
--- a/doc/connection-backoff.md
+++ b/doc/connection-backoff.md
@@ -25,7 +25,7 @@
SleepUntil(current_deadline)
current_backoff = Min(current_backoff * MULTIPLIER, MAX_BACKOFF)
current_deadline = now() + current_backoff +
- UniformRandom(-JITTER * backoff, JITTER * backoff)
+ UniformRandom(-JITTER * current_backoff, JITTER * current_backoff)
```