diff --git a/README.md b/README.md
index 289652a..0b1b179 100644
--- a/README.md
+++ b/README.md
@@ -180,6 +180,7 @@ timetrace start <PROJECT KEY> [+TAG1, +TAG2, ...]
 | ---------------- | ----- | ---------------------------------------------------------------------------------------------------------- |
 | `--billable`     | `-b`  | Mark the record as billable.                                                                               |
 | `--non-billable` |       | Mark the record as non-billable, even if the project is [billable by default](#per-project-configuration). |
+| `--description`  | `-d`  | Add a description to your record                                                                           |
 
 **Example:**
 
@@ -195,6 +196,12 @@ Start working on the `make-coffee` project and add two tags:
 timetrace start make-coffee +espresso +morning
 ```
 
+Start working on the `make-coffee` project and add a description:
+
+```
+timetrace start make-coffee -d "first time using the new beans"
+```
+
 ### Print the tracking status
 
 **Syntax:**
diff --git a/cli/create.go b/cli/create.go
index e38acbc..29d24ec 100644
--- a/cli/create.go
+++ b/cli/create.go
@@ -100,10 +100,11 @@ func createRecordCommand(t *core.Timetrace) *cobra.Command {
 			}
 
 			record := core.Record{
-				Project:    project,
-				Start:      start,
-				End:        &end,
-				IsBillable: options.isBillable,
+				Project:     project,
+				Start:       start,
+				End:         &end,
+				IsBillable:  options.isBillable,
+				Description: options.description,
 			}
 
 			collides, err := t.RecordCollides(record)
@@ -127,5 +128,8 @@ func createRecordCommand(t *core.Timetrace) *cobra.Command {
 	createRecord.Flags().BoolVarP(&options.isBillable, "billable", "b",
 		false, `mark tracked time as billable`)
 
+	createRecord.Flags().StringVarP(&options.description, "description", "d",
+		"", `set a description for your record`)
+
 	return createRecord
 }
diff --git a/cli/list.go b/cli/list.go
index c808412..31b386b 100644
--- a/cli/list.go
+++ b/cli/list.go
@@ -107,7 +107,7 @@ func listRecordsCommand(t *core.Timetrace) *cobra.Command {
 					billable = "yes"
 				}
 
-				rows[i] = make([]string, 7)
+				rows[i] = make([]string, 8)
 				rows[i][0] = strconv.Itoa(len(records) - i)
 				rows[i][1] = t.Formatter().RecordKey(record)
 				rows[i][2] = record.Project.Key
@@ -115,13 +115,14 @@ func listRecordsCommand(t *core.Timetrace) *cobra.Command {
 				rows[i][4] = end
 				rows[i][5] = billable
 				rows[i][6] = t.Formatter().FormatTags(record.Tags)
+				rows[i][7] = record.Description
 			}
 
-			footer := make([]string, 7)
+			footer := make([]string, 8)
 			footer[len(footer)-2] = "Total: "
 			footer[len(footer)-1] = t.Formatter().FormatDuration(getTotalTrackedTime(records))
 
-			out.Table([]string{"#", "Key", "Project", "Start", "End", "Billable", "Tags"}, rows, footer)
+			out.Table([]string{"#", "Key", "Project", "Start", "End", "Billable", "Tags", "Description"}, rows, footer)
 		},
 	}
 
diff --git a/cli/start.go b/cli/start.go
index 71e015a..5489a6f 100644
--- a/cli/start.go
+++ b/cli/start.go
@@ -15,6 +15,7 @@ const TagsPrefix = "+"
 type startOptions struct {
 	isBillable    bool
 	isNonBillable bool // Used for overwriting `billable: true` in the project config.
+	description   string
 }
 
 func startCommand(t *core.Timetrace) *cobra.Command {
@@ -36,6 +37,8 @@ func startCommand(t *core.Timetrace) *cobra.Command {
 
 			isBillable := options.isBillable
 
+			description := options.description
+
 			// If there is a default configuration for the project key, use that configuration.
 			if projectConfig, ok := t.Config().Projects[projectKey]; ok {
 				isBillable = projectConfig.Billable
@@ -51,7 +54,7 @@ func startCommand(t *core.Timetrace) *cobra.Command {
 				return
 			}
 
-			if err := t.Start(projectKey, isBillable, tagNames); err != nil {
+			if err := t.Start(projectKey, isBillable, tagNames, description); err != nil {
 				out.Err("failed to start tracking: %s", err.Error())
 				return
 			}
@@ -66,6 +69,9 @@ func startCommand(t *core.Timetrace) *cobra.Command {
 	start.Flags().BoolVar(&options.isNonBillable, "non-billable",
 		false, `mark tracked time as non-billable if the project is configured as billable`)
 
+	start.Flags().StringVarP(&options.description, "description", "d",
+		"", `set a description for your record`)
+
 	return start
 }
 
diff --git a/core/record.go b/core/record.go
index d69a619..9596f45 100644
--- a/core/record.go
+++ b/core/record.go
@@ -22,11 +22,12 @@ var (
 )
 
 type Record struct {
-	Start      time.Time  `json:"start"`
-	End        *time.Time `json:"end"`
-	Project    *Project   `json:"project"`
-	IsBillable bool       `json:"is_billable"`
-	Tags       []string   `json:"tags"`
+	Start       time.Time  `json:"start"`
+	End         *time.Time `json:"end"`
+	Project     *Project   `json:"project"`
+	IsBillable  bool       `json:"is_billable"`
+	Tags        []string   `json:"tags"`
+	Description string     `json:"description"`
 }
 
 // Duration calculates time duration for a specific record. If the record doesn't
diff --git a/core/timetrace.go b/core/timetrace.go
index ee1dcfd..9f05af6 100644
--- a/core/timetrace.go
+++ b/core/timetrace.go
@@ -67,7 +67,7 @@ func New(config *config.Config, fs Filesystem) *Timetrace {
 // record with the current time as start time.
 //
 // Since parallel work isn't supported, the previous work must be stopped first.
-func (t *Timetrace) Start(projectKey string, isBillable bool, tags []string) error {
+func (t *Timetrace) Start(projectKey string, isBillable bool, tags []string, description string) error {
 	latestRecord, err := t.LoadLatestRecord()
 	if err != nil && !errors.Is(err, ErrAllDirectoriesEmpty) {
 		return err
@@ -87,10 +87,11 @@ func (t *Timetrace) Start(projectKey string, isBillable bool, tags []string) err
 	}
 
 	record := Record{
-		Start:      time.Now(),
-		Project:    project,
-		IsBillable: isBillable,
-		Tags:       tags,
+		Start:       time.Now(),
+		Project:     project,
+		IsBillable:  isBillable,
+		Tags:        tags,
+		Description: description,
 	}
 
 	return t.SaveRecord(record, false)