diff --git a/server.go b/server.go
index ab678ea7f0..dd524e7ee9 100644
--- a/server.go
+++ b/server.go
@@ -340,7 +340,7 @@ type Server struct {
 
 	// SleepWhenConcurrencyLimitsExceeded is a duration to be slept of if
 	// the concurrency limit in exceeded (default [when is 0]: don't sleep
-	// and accept new connections immidiatelly).
+	// and accept new connections immediately).
 	SleepWhenConcurrencyLimitsExceeded time.Duration
 
 	// NoDefaultServerHeader, when set to true, causes the default Server header