diff --git a/cmd/thanos/sidecar.go b/cmd/thanos/sidecar.go
index 85457c5dcbf..94d62f89839 100644
--- a/cmd/thanos/sidecar.go
+++ b/cmd/thanos/sidecar.go
@@ -92,7 +92,7 @@ func runSidecar(
 
 	httpClient, err := thanoshttp.NewHTTPClient(*httpClientConfig, "thanos-sidecar")
 	if err != nil {
-		return errors.Wrap(err, "Improper http client config")
+		return errors.Wrap(err, "new http client config")
 
 	}
 
diff --git a/pkg/http/http.go b/pkg/http/http.go
index 06ecfee50f6..c8e9f1faf57 100644
--- a/pkg/http/http.go
+++ b/pkg/http/http.go
@@ -39,7 +39,7 @@ type ClientConfig struct {
 	ProxyURL string `yaml:"proxy_url"`
 	// TLSConfig to use to connect to the targets.
 	TLSConfig TLSConfig `yaml:"tls_config"`
-	// TransportConfig for Client transport properties
+	// TransportConfig for Client transport properties.
 	TransportConfig TransportConfig `yaml:"transport_config"`
 }