diff --git a/thorlog/common/event.go b/thorlog/common/event.go
index d01930a..8f2bbad 100644
--- a/thorlog/common/event.go
+++ b/thorlog/common/event.go
@@ -15,10 +15,17 @@ const (
 	Debug   LogLevel = "Debug"
 )
 
+// LogEventMetadata contains the metadata of a log event.
+// It is used to store common fields that are available in all log events.
+//
+// In a textlog formatted event, some of these fields are part of the header and do
+// not occur "normally" as a KEY: VALUE pair in the event body.
+// These fields are marked with the `textlog:"-"` tag to prevent them from being
+// included in the event body.
 type LogEventMetadata struct {
 	Time   time.Time `json:"time" textlog:"-"`
 	Lvl    LogLevel  `json:"level" textlog:"-"`
-	Mod    string    `json:"module" textlog:"-"`
+	Mod    string    `json:"module" textlog:"module"`
 	ScanID string    `json:"scan_id" textlog:"scanid,omitempty"`
 	GenID  string    `json:"event_id" textlog:"uid,omitempty"`
 	Source string    `json:"hostname" textlog:"-"`
diff --git a/thorlog/v1/event.go b/thorlog/v1/event.go
index 6a685a1..8126db6 100644
--- a/thorlog/v1/event.go
+++ b/thorlog/v1/event.go
@@ -80,7 +80,7 @@ func (e Event) MarshalJSON() ([]byte, error) {
 type Metadata struct {
 	Time   time.Time       `json:"time" textlog:"-"`
 	Lvl    common.LogLevel `json:"level" textlog:"-"`
-	Mod    string          `json:"module" textlog:"-"`
+	Mod    string          `json:"module" textlog:"module"`
 	ScanID string          `json:"scanid" textlog:"scanid,omitempty"`
 	GenID  string          `json:"uid" textlog:"uid,omitempty"`
 	Source string          `json:"hostname" textlog:"-"`
diff --git a/thorlog/v2/event.go b/thorlog/v2/event.go
index fd6d014..a890ff6 100644
--- a/thorlog/v2/event.go
+++ b/thorlog/v2/event.go
@@ -105,7 +105,7 @@ func (e Event) MarshalJSON() ([]byte, error) {
 type Metadata struct {
 	Time   time.Time       `json:"time" textlog:"-"`
 	Lvl    common.LogLevel `json:"level" textlog:"-"`
-	Mod    string          `json:"module" textlog:"-"`
+	Mod    string          `json:"module" textlog:"module"`
 	ScanID string          `json:"scanid" textlog:"scanid,omitempty"`
 	GenID  string          `json:"uid" textlog:"uid,omitempty"`
 	Source string          `json:"hostname" textlog:"-"`
diff --git a/thorlog/v3/event.go b/thorlog/v3/event.go
index c47c4a0..e1adc83 100644
--- a/thorlog/v3/event.go
+++ b/thorlog/v3/event.go
@@ -16,7 +16,7 @@ import (
 type Finding struct {
 	jsonlog.ObjectHeader
 	Meta         LogEventMetadata `json:"meta" textlog:",expand"`
-	Text         string           `json:"message" textlog:"-"`
+	Text         string           `json:"message" textlog:"message"`
 	Subject      ReportableObject `json:"subject" textlog:",expand"`
 	Score        int64            `json:"score" textlog:"score"`
 	Reasons      []Reason         `json:"reasons" textlog:",expand"`
@@ -166,7 +166,7 @@ func NewFinding(subject ReportableObject, message string) *Finding {
 type Message struct {
 	jsonlog.ObjectHeader
 	Meta       LogEventMetadata `json:"meta" textlog:",expand"`
-	Text       string           `json:"message" textlog:"-"`
+	Text       string           `json:"message" textlog:"message"`
 	Fields     MessageFields    `json:"fields" textlog:",expand" jsonschema:"nullable"`
 	LogVersion common.Version   `json:"log_version"`
 }