diff --git a/frontend/src/dialog/photo/info.vue b/frontend/src/dialog/photo/info.vue
index 5032dfb12..60bbfd24a 100644
--- a/frontend/src/dialog/photo/info.vue
+++ b/frontend/src/dialog/photo/info.vue
@@ -122,10 +122,10 @@
                         {{ model.EditedAt | luxon:format('http') }}
                     </td>
                 </tr>
-                <tr v-if="model.MaintainedAt">
-                    <td><translate key="Maintained">Maintained</translate></td>
+                <tr v-if="model.CheckedAt">
+                    <td><translate key="Checked">Checked</translate></td>
                     <td>
-                        {{ model.MaintainedAt | luxon:format('http') }}
+                        {{ model.CheckedAt | luxon:format('http') }}
                     </td>
                 </tr>
                 <tr v-if="model.DeletedAt">
diff --git a/frontend/src/model/photo.js b/frontend/src/model/photo.js
index 62b222171..74ca6b643 100644
--- a/frontend/src/model/photo.js
+++ b/frontend/src/model/photo.js
@@ -115,9 +115,9 @@ export class Photo extends RestModel {
             // Date fields.
             CreatedAt: "",
             UpdatedAt: "",
-            DeletedAt: null,
             EditedAt: null,
-            MaintainedAt: null,
+            CheckedAt: null,
+            DeletedAt: null,
         };
     }
 
diff --git a/internal/entity/photo.go b/internal/entity/photo.go
index 20e6c3d63..6493bb945 100644
--- a/internal/entity/photo.go
+++ b/internal/entity/photo.go
@@ -82,7 +82,7 @@ type Photo struct {
 	CreatedAt        time.Time    `yaml:"CreatedAt,omitempty"`
 	UpdatedAt        time.Time    `yaml:"UpdatedAt,omitempty"`
 	EditedAt         *time.Time   `yaml:"EditedAt,omitempty"`
-	MaintainedAt     *time.Time   `sql:"index" yaml:"-"`
+	CheckedAt        *time.Time   `sql:"index" yaml:"-"`
 	DeletedAt        *time.Time   `sql:"index" yaml:"DeletedAt,omitempty"`
 }
 
diff --git a/internal/entity/photo_maintain.go b/internal/entity/photo_maintain.go
index a8e96d527..26a327a05 100644
--- a/internal/entity/photo_maintain.go
+++ b/internal/entity/photo_maintain.go
@@ -98,8 +98,8 @@ func (m *Photo) Maintain() error {
 		return errors.New("photo: can't maintain, id is empty")
 	}
 
-	maintained := time.Now()
-	m.MaintainedAt = &maintained
+	checked := time.Now()
+	m.CheckedAt = &checked
 
 	m.EstimatePlace()
 
diff --git a/internal/query/photo.go b/internal/query/photo.go
index d72399a91..4d778c4b6 100644
--- a/internal/query/photo.go
+++ b/internal/query/photo.go
@@ -90,8 +90,8 @@ func ResetPhotoQuality() error {
 		Update("photo_quality", -1).Error
 }
 
-// PhotosMaintenance returns photos selected for maintenance.
-func PhotosMaintenance(limit int, offset int) (entities entity.Photos, err error) {
+// PhotosCheck returns photos selected for maintenance.
+func PhotosCheck(limit int, offset int) (entities entity.Photos, err error) {
 	err = Db().
 		Preload("Labels", func(db *gorm.DB) *gorm.DB {
 			return db.Order("photos_labels.uncertainty ASC, photos_labels.label_id DESC")
@@ -103,7 +103,7 @@ func PhotosMaintenance(limit int, offset int) (entities entity.Photos, err error
 		Preload("Place").
 		Preload("Location").
 		Preload("Location.Place").
-		Where("maintained_at IS NULL OR maintained_at < ?", time.Now().Add(-1*time.Hour*24*3)).
+		Where("checked_at IS NULL OR checked_at < ?", time.Now().Add(-1*time.Hour*24*3)).
 		Where("updated_at < ?", time.Now().Add(-1*time.Minute*10)).
 		Limit(limit).Offset(offset).Find(&entities).Error
 
diff --git a/internal/query/photo_results.go b/internal/query/photo_results.go
index f8881e146..0dc2d3527 100644
--- a/internal/query/photo_results.go
+++ b/internal/query/photo_results.go
@@ -81,6 +81,8 @@ type PhotoResult struct {
 	Merged           bool          `json:"Merged"`
 	CreatedAt        time.Time     `json:"CreatedAt"`
 	UpdatedAt        time.Time     `json:"UpdatedAt"`
+	EditedAt         time.Time     `json:"EditedAt,omitempty"`
+	CheckedAt        time.Time     `json:"CheckedAt,omitempty"`
 	DeletedAt        time.Time     `json:"DeletedAt,omitempty"`
 
 	Files []entity.File `json:"Files"`
diff --git a/internal/workers/prism.go b/internal/workers/prism.go
index 5b1a9a489..6c8823ca7 100644
--- a/internal/workers/prism.go
+++ b/internal/workers/prism.go
@@ -62,7 +62,7 @@ func (worker *Prism) Start() (err error) {
 	offset := 0
 
 	for {
-		photos, err := query.PhotosMaintenance(limit, offset)
+		photos, err := query.PhotosCheck(limit, offset)
 
 		if err != nil {
 			return err
@@ -71,12 +71,12 @@ func (worker *Prism) Start() (err error) {
 		if len(photos) == 0 {
 			break
 		} else if offset == 0 {
-			log.Infof("prism: starting metadata optimization")
+			log.Infof("prism: starting routine check")
 		}
 
 		for _, photo := range photos {
 			if mutex.PrismWorker.Canceled() {
-				return errors.New("prism: optimization canceled")
+				return errors.New("prism: check canceled")
 			}
 
 			if done[photo.PhotoUID] {
@@ -89,7 +89,7 @@ func (worker *Prism) Start() (err error) {
 		}
 
 		if mutex.PrismWorker.Canceled() {
-			return errors.New("prism: optimization canceled")
+			return errors.New("prism: check canceled")
 		}
 
 		offset += limit
@@ -98,7 +98,7 @@ func (worker *Prism) Start() (err error) {
 	}
 
 	if len(done) > 0 {
-		log.Infof("prism: optimized %d photos", len(done))
+		log.Infof("prism: checked %d photos", len(done))
 	}
 
 	worker.logError(query.ResetPhotoQuality())