Fix spelling

Signed-off-by: haanhvu <[email protected]>

cmd/jaeger/internal/exporters/storageexporter/exporter.go

@@ -23,7 +23,7 @@ type storageExporter struct {
 	logger     *zap.Logger
 	spanWriter spanstore.Writer
 	clickhouse bool
-	// Seperate traces exporting function for ClickHouse storage.
+	// Separate traces exporting function for ClickHouse storage.
 	// This is temporary until we have v2 storage API.
 	chExportTraces func(ctx context.Context, td ptrace.Traces) error
 }