caddyconfig: Minor internal and godoc tweaks

caddyconfig/configadapters.go

@@ -51,14 +51,13 @@ func JSON(val interface{}, warnings *[]Warning) json.RawMessage {
 	return b
 }
 
-// JSONModuleObject is like JSON, except it marshals val into a JSON object
-// and then adds a key to that object named fieldName with the value fieldVal.
-// This is useful for JSON-encoding module values where the module name has to
-// be described within the object by a certain key; for example,
-// "responder": "file_server" for a file server HTTP responder. The val must
-// encode into a map[string]interface{} (i.e. it must be a struct or map),
-// and any errors are converted into warnings, so this can be conveniently
-// used when filling a struct. For correct code, there should be no errors.
+// JSONModuleObject is like JSON(), except it marshals val into a JSON object
+// with an added key named fieldName with the value fieldVal. This is useful
+// for encoding module values where the module name has to be described within
+// the object by a certain key; for example, `"handler": "file_server"` for a
+// file server HTTP handler (fieldName="handler" and fieldVal="file_server").
+// The val parameter must encode into a map[string]interface{} (i.e. it must be
+// a struct or map). Any errors are converted into warnings.
 func JSONModuleObject(val interface{}, fieldName, fieldVal string, warnings *[]Warning) json.RawMessage {
 	// encode to a JSON object first
 	enc, err := json.Marshal(val)

caddyconfig/httpcaddyfile/builtins.go

@@ -259,13 +259,13 @@ func parseTLS(h Helper) ([]ConfigValue, error) {
 	// certificate loaders
 	if len(fileLoader) > 0 {
 		configVals = append(configVals, ConfigValue{
-			Class: "tls.certificate_loader",
+			Class: "tls.cert_loader",
 			Value: fileLoader,
 		})
 	}
 	if len(folderLoader) > 0 {
 		configVals = append(configVals, ConfigValue{
-			Class: "tls.certificate_loader",
+			Class: "tls.cert_loader",
 			Value: folderLoader,
 		})
 	}

caddyconfig/httpcaddyfile/tlsapp.go

@@ -233,7 +233,7 @@ func (st ServerType) buildTLSApp(
 			}
 
 			// certificate loaders
-			if clVals, ok := sblock.pile["tls.certificate_loader"]; ok {
+			if clVals, ok := sblock.pile["tls.cert_loader"]; ok {
 				for _, clVal := range clVals {
 					certLoaders = append(certLoaders, clVal.Value.(caddytls.CertificateLoader))
 				}

modules/logging/filters.go

@@ -27,9 +27,7 @@ func init() {
 }
 
 // LogFieldFilter can filter (or manipulate)
-// a field in a log entry. If delete is true,
-// out will be ignored and the field will be
-// removed from the output.
+// a field in a log entry.
 type LogFieldFilter interface {
 	Filter(zapcore.Field) zapcore.Field
 }