diff --git a/src/translations/en/networkModificationsEn.ts b/src/translations/en/networkModificationsEn.ts
index 1e8ef82e..8c186191 100644
--- a/src/translations/en/networkModificationsEn.ts
+++ b/src/translations/en/networkModificationsEn.ts
@@ -62,6 +62,7 @@ export const networkModificationsEn = {
     'network_modifications.TABULAR_CREATION': 'Tabular creation - {computedLabel}',
     'network_modifications.tabular.GENERATOR_CREATION': 'generator creations',
     'network_modifications.LCC_CREATION': 'Creating HVDC (LCC) {computedLabel}',
+    'network_modifications.LCC_MODIFICATION': 'Modifying HVDC (LCC) {computedLabel}',
     'network_modifications.STATIC_VAR_COMPENSATOR_CREATION': 'Creating static var compensator {computedLabel}',
     'network_modifications.VOLTAGE_LEVEL_CREATION_SUBSTATION_CREATION':
         'Creating voltage level {voltageLevelEquipmentId} and substation {substationEquipmentId}',
diff --git a/src/translations/fr/networkModificationsFr.ts b/src/translations/fr/networkModificationsFr.ts
index e4f882f0..17823a04 100644
--- a/src/translations/fr/networkModificationsFr.ts
+++ b/src/translations/fr/networkModificationsFr.ts
@@ -65,6 +65,7 @@ export const networkModificationsFr = {
     'network_modifications.TABULAR_CREATION': 'Création tabulaire - {computedLabel}',
     'network_modifications.tabular.GENERATOR_CREATION': 'créations de générateurs',
     'network_modifications.LCC_CREATION': 'Création de la HVDC (LCC) {computedLabel}',
+    'network_modifications.LCC_MODIFICATION': 'Modification de la HVDC (LCC) {computedLabel}',
     'network_modifications.STATIC_VAR_COMPENSATOR_CREATION': 'Création de CSPR {computedLabel}',
     'network_modifications.VOLTAGE_LEVEL_CREATION_SUBSTATION_CREATION':
         'Création du poste {voltageLevelEquipmentId} et du site {substationEquipmentId}',
diff --git a/src/utils/types/modificationType.ts b/src/utils/types/modificationType.ts
index 78b0d88a..d223372d 100644
--- a/src/utils/types/modificationType.ts
+++ b/src/utils/types/modificationType.ts
@@ -47,7 +47,9 @@ export enum ModificationType {
     CONVERTER_STATION_MODIFICATION = 'CONVERTER_STATION_MODIFICATION',
     COMPOSITE_MODIFICATION = 'COMPOSITE_MODIFICATION',
     LCC_CONVERTER_STATION_CREATION = 'LCC_CONVERTER_STATION_CREATION',
+    LCC_CONVERTER_STATION_MODIFICATION = 'LCC_CONVERTER_STATION_MODIFICATION',
     LCC_CREATION = 'LCC_CREATION',
+    LCC_MODIFICATION = 'LCC_MODIFICATION',
     VOLTAGE_LEVEL_TOPOLOGY_MODIFICATION = 'VOLTAGE_LEVEL_TOPOLOGY_MODIFICATION',
 }
 
@@ -175,9 +177,15 @@ export const MODIFICATION_TYPES = {
     LCC_CONVERTER_STATION_CREATION: {
         type: ModificationType.LCC_CONVERTER_STATION_CREATION,
     },
+    LCC_CONVERTER_STATION_MODIFICATION: {
+        type: ModificationType.LCC_CONVERTER_STATION_MODIFICATION,
+    },
     LCC_CREATION: {
         type: ModificationType.LCC_CREATION,
     },
+    LCC_MODIFICATION: {
+        type: ModificationType.LCC_MODIFICATION,
+    },
     VOLTAGE_LEVEL_CREATION_SUBSTATION_CREATION: {
         type: 'VOLTAGE_LEVEL_CREATION_SUBSTATION_CREATION',
     },