diff --git a/plugin/storage/memory/sampling.go b/plugin/storage/memory/sampling.go
index ec44f4398ce..9a6ca5aa79c 100644
--- a/plugin/storage/memory/sampling.go
+++ b/plugin/storage/memory/sampling.go
@@ -21,7 +21,7 @@ import (
 	"github.com/jaegertracing/jaeger/cmd/collector/app/sampling/model"
 )
 
-// SamplingStroe is an in-memory store for sampling data
+// SamplingStore is an in-memory store for sampling data
 type SamplingStore struct {
 	sync.RWMutex
 	throughputs         []*storedThroughput