diff --git a/doc/codewalk/urlpoll.go b/doc/codewalk/urlpoll.go
index e716c7e..1fb9958 100644
--- a/doc/codewalk/urlpoll.go
+++ b/doc/codewalk/urlpoll.go
@@ -76,7 +76,7 @@
 	return resp.Status
 }
 
-// Sleep sleeps for an appropriate interval (dependant on error state)
+// Sleep sleeps for an appropriate interval (dependent on error state)
 // before sending the Resource to done.
 func (r *Resource) Sleep(done chan<- *Resource) {
 	time.Sleep(pollInterval + errTimeout*time.Duration(r.errCount))