diff --git a/README.md b/README.md
index 31f3009..2e57f6c 100644
--- a/README.md
+++ b/README.md
@@ -115,7 +115,8 @@ The app exposes the following [gRPC](https://grpc.io/) services :
                 "postalCode": "75000",
                 "country": "France"
             }
-        ]
+        ],
+        "comment": "I'm flexible with the departure time"
     }
     ```
 
@@ -157,7 +158,8 @@ The app exposes the following [gRPC](https://grpc.io/) services :
                 "postalCode": "75000",
                 "country": "France"
             }
-        ]
+        ],
+        "comment": "I'm flexible with the departure time"
     }
     ```
 
@@ -207,7 +209,8 @@ The app exposes the following [gRPC](https://grpc.io/) services :
                 "postalCode": "75000",
                 "country": "France"
             }
-        ]
+        ],
+        "comment": "I'm flexible with the departure time"
     }
     ```
 
@@ -227,6 +230,7 @@ The app exposes the following [gRPC](https://grpc.io/) services :
     -   seatsRequested: number of seats requested as passenger (required if `passenger` is true)
     -   strict (boolean): if set to true, allow matching only with similar frequency ads
     -   waypoints: an array of addresses that represent the waypoints of the journey (only first and last waypoints are used for passenger ads). Note that positions are **required** and **must** be consecutives
+    -   comment: optional freetext comment / description about the ad
 
 ## Messages
 
diff --git a/prisma/migrations/20240228132441_added_comment/migration.sql b/prisma/migrations/20240228132441_added_comment/migration.sql
new file mode 100644
index 0000000..85650d0
--- /dev/null
+++ b/prisma/migrations/20240228132441_added_comment/migration.sql
@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "ad" ADD COLUMN     "comment" TEXT;
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 13cc35a..c7d36f3 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -27,6 +27,7 @@ model Ad {
   createdAt      DateTime       @default(now())
   updatedAt      DateTime       @default(now()) @updatedAt
   waypoints      Waypoint[]
+  comment        String?
 
   @@map("ad")
 }
diff --git a/src/modules/ad/ad.mapper.ts b/src/modules/ad/ad.mapper.ts
index 5c7c014..eb3bf11 100644
--- a/src/modules/ad/ad.mapper.ts
+++ b/src/modules/ad/ad.mapper.ts
@@ -82,6 +82,7 @@ export class AdMapper
             })),
           }
         : undefined,
+      comment: copy.comment,
     };
     return record;
   };
@@ -128,6 +129,7 @@ export class AdMapper
             },
           },
         })),
+        comment: record.comment,
       },
     });
     return entity;
@@ -193,6 +195,7 @@ export class AdMapper
       lon: waypoint.address.coordinates.lon,
       lat: waypoint.address.coordinates.lat,
     }));
+    response.comment = props.comment;
     return response;
   };
 }
diff --git a/src/modules/ad/core/application/commands/create-ad/create-ad.command.ts b/src/modules/ad/core/application/commands/create-ad/create-ad.command.ts
index 128b4ac..7a939c3 100644
--- a/src/modules/ad/core/application/commands/create-ad/create-ad.command.ts
+++ b/src/modules/ad/core/application/commands/create-ad/create-ad.command.ts
@@ -15,6 +15,7 @@ export class CreateAdCommand extends Command {
   readonly seatsRequested?: number;
   readonly strict: boolean;
   readonly waypoints: Waypoint[];
+  readonly comment?: string;
 
   constructor(props: CommandProps<CreateAdCommand>) {
     super(props);
@@ -29,5 +30,6 @@ export class CreateAdCommand extends Command {
     this.seatsRequested = props.seatsRequested;
     this.strict = props.strict;
     this.waypoints = props.waypoints;
+    this.comment = props.comment;
   }
 }
diff --git a/src/modules/ad/core/application/commands/create-ad/create-ad.service.ts b/src/modules/ad/core/application/commands/create-ad/create-ad.service.ts
index b7c8d6d..5d1d30c 100644
--- a/src/modules/ad/core/application/commands/create-ad/create-ad.service.ts
+++ b/src/modules/ad/core/application/commands/create-ad/create-ad.service.ts
@@ -95,6 +95,7 @@ export class CreateAdService implements ICommandHandler {
           },
         },
       })),
+      comment: command.comment,
     });
 
     try {
diff --git a/src/modules/ad/core/domain/ad.entity.ts b/src/modules/ad/core/domain/ad.entity.ts
index 1c4f78c..7381430 100644
--- a/src/modules/ad/core/domain/ad.entity.ts
+++ b/src/modules/ad/core/domain/ad.entity.ts
@@ -47,6 +47,7 @@ export class AdEntity extends AggregateRoot<AdProps> {
           lon: waypoint.address.coordinates.lon,
           lat: waypoint.address.coordinates.lat,
         })),
+        comment: props.comment,
       }),
     );
     return ad;
diff --git a/src/modules/ad/core/domain/ad.types.ts b/src/modules/ad/core/domain/ad.types.ts
index 64f53e6..85bb2bc 100644
--- a/src/modules/ad/core/domain/ad.types.ts
+++ b/src/modules/ad/core/domain/ad.types.ts
@@ -15,6 +15,7 @@ export interface AdProps {
   seatsRequested: number;
   strict: boolean;
   waypoints: WaypointProps[];
+  comment?: string;
 }
 
 // Properties that are needed for an Ad creation
@@ -30,6 +31,7 @@ export interface CreateAdProps {
   seatsRequested: number;
   strict: boolean;
   waypoints: WaypointProps[];
+  comment?: string;
 }
 
 export enum Frequency {
diff --git a/src/modules/ad/core/domain/events/ad-created.domain-event.ts b/src/modules/ad/core/domain/events/ad-created.domain-event.ts
index 8f9a225..50cd191 100644
--- a/src/modules/ad/core/domain/events/ad-created.domain-event.ts
+++ b/src/modules/ad/core/domain/events/ad-created.domain-event.ts
@@ -12,6 +12,7 @@ export class AdCreatedDomainEvent extends DomainEvent {
   readonly seatsRequested: number;
   readonly strict: boolean;
   readonly waypoints: Waypoint[];
+  readonly comment?: string;
 
   constructor(props: DomainEventProps<AdCreatedDomainEvent>) {
     super(props);
@@ -26,6 +27,7 @@ export class AdCreatedDomainEvent extends DomainEvent {
     this.seatsRequested = props.seatsRequested;
     this.strict = props.strict;
     this.waypoints = props.waypoints;
+    this.comment = props.comment;
   }
 }
 
diff --git a/src/modules/ad/infrastructure/ad.repository.ts b/src/modules/ad/infrastructure/ad.repository.ts
index 673a036..b5df96f 100644
--- a/src/modules/ad/infrastructure/ad.repository.ts
+++ b/src/modules/ad/infrastructure/ad.repository.ts
@@ -24,6 +24,7 @@ export type AdBaseModel = {
   seatsProposed: number;
   seatsRequested: number;
   strict: boolean;
+  comment?: string;
 };
 
 export type AdReadModel = AdBaseModel & {
diff --git a/src/modules/ad/interface/dtos/ad.response.dto.ts b/src/modules/ad/interface/dtos/ad.response.dto.ts
index 6c22522..60a301f 100644
--- a/src/modules/ad/interface/dtos/ad.response.dto.ts
+++ b/src/modules/ad/interface/dtos/ad.response.dto.ts
@@ -28,4 +28,5 @@ export class AdResponseDto extends ResponseBase {
     lon: number;
     lat: number;
   }[];
+  comment?: string;
 }
diff --git a/src/modules/ad/interface/grpc-controllers/ad.proto b/src/modules/ad/interface/grpc-controllers/ad.proto
index a3e994a..581aa08 100644
--- a/src/modules/ad/interface/grpc-controllers/ad.proto
+++ b/src/modules/ad/interface/grpc-controllers/ad.proto
@@ -36,6 +36,7 @@ message Ad {
   int32 seatsRequested = 10;
   bool strict = 11;
   repeated Waypoint waypoints = 12;
+  optional string comment = 13;
 }
 
 message ScheduleItem {
diff --git a/src/modules/ad/interface/grpc-controllers/dtos/create-ad.request.dto.ts b/src/modules/ad/interface/grpc-controllers/dtos/create-ad.request.dto.ts
index 961cfb6..14122d0 100644
--- a/src/modules/ad/interface/grpc-controllers/dtos/create-ad.request.dto.ts
+++ b/src/modules/ad/interface/grpc-controllers/dtos/create-ad.request.dto.ts
@@ -3,8 +3,10 @@ import {
   IsBoolean,
   IsInt,
   IsEnum,
+  IsString,
   ValidateNested,
   ArrayMinSize,
+  Length,
   IsUUID,
   IsArray,
   IsISO8601,
@@ -78,4 +80,9 @@ export class CreateAdRequestDto {
   @HasValidPositionIndexes()
   @ValidateNested({ each: true })
   waypoints: WaypointDto[];
+
+  @Length(0, 2000)
+  @IsString()
+  @IsOptional()
+  comment?: string;
 }
diff --git a/tests/unit/ad/ad.mapper.spec.ts b/tests/unit/ad/ad.mapper.spec.ts
index 47ec4d6..dd71928 100644
--- a/tests/unit/ad/ad.mapper.spec.ts
+++ b/tests/unit/ad/ad.mapper.spec.ts
@@ -111,6 +111,7 @@ const adReadModel: AdReadModel = {
   strict: false,
   seatsProposed: 3,
   seatsRequested: 1,
+  comment: '',
   createdAt: now,
   updatedAt: now,
 };
diff --git a/tests/unit/ad/core/ad.entity.spec.ts b/tests/unit/ad/core/ad.entity.spec.ts
index e6b3c0f..72bafb7 100644
--- a/tests/unit/ad/core/ad.entity.spec.ts
+++ b/tests/unit/ad/core/ad.entity.spec.ts
@@ -39,6 +39,7 @@ const baseCreateAdProps = {
   seatsRequested: 1,
   strict: false,
   waypoints: [originWaypointProps, destinationWaypointProps],
+  comment: "J'accepte les chiens mais pas les chats",
 };
 const punctualCreateAdProps = {
   fromDate: '2023-06-21',
@@ -134,6 +135,9 @@ describe('Ad entity create', () => {
       expect(punctualPassengerAd.getProps().schedule[0].time).toBe('08:30');
       expect(punctualPassengerAd.getProps().driver).toBeFalsy();
       expect(punctualPassengerAd.getProps().passenger).toBeTruthy();
+      expect(punctualPassengerAd.getProps().comment).toBe(
+        "J'accepte les chiens mais pas les chats",
+      );
     });
     it('should create a new punctual driver ad entity', async () => {
       const punctualDriverAd: AdEntity = AdEntity.create(