fix minor things

pkg/util/config/util.go

@@ -19,7 +19,7 @@ type fieldInfo struct {
 	Field   reflect.Value
 }
 
-// StringTemplate is string
+// StringTemplate is a convenience alias
 type StringTemplate string
 
 func decoderFrom(field reflect.Value) (d decoder) {
@@ -240,7 +240,7 @@ func (f *StringTemplate) Format(a ...string) string {
 	return res
 }
 
-// MarshalJSON returns json.Marshal(byte slice) from StringTemplate
+// MarshalJSON converts a StringTemplate to byte slice
 func (f StringTemplate) MarshalJSON() ([]byte, error) {
 	return json.Marshal(string(f))
 }

pkg/util/teams/teams.go

@@ -43,7 +43,7 @@ type httpClient interface {
 	Do(req *http.Request) (*http.Response, error)
 }
 
-// Interface have to implement TeamInfo
+// Interface to the TeamsAPIClient
 type Interface interface {
 	TeamInfo(teamID, token string) (tm *Team, err error)
 }