diff --git a/src/models/actions/CreateTrack.ts b/src/models/actions/CreateTrack.ts
index 0130ad8..fdeae71 100644
--- a/src/models/actions/CreateTrack.ts
+++ b/src/models/actions/CreateTrack.ts
@@ -21,7 +21,7 @@ export class CreateTrack {
     distance: number;
 
     /**
-     * The minimum time a runner should take to run a lap on this track.
+     * The minimum time a runner should take to run a lap on this track (in seconds).
      * Will be used for fraud detection.
      */
     @IsInt()
diff --git a/src/models/actions/UpdateTrack.ts b/src/models/actions/UpdateTrack.ts
index 6c1aec3..bc64d54 100644
--- a/src/models/actions/UpdateTrack.ts
+++ b/src/models/actions/UpdateTrack.ts
@@ -25,7 +25,7 @@ export class UpdateTrack {
     distance: number;
 
     /**
-     * The minimum time a runner should take to run a lap on this track.
+     * The minimum time a runner should take to run a lap on this track (in seconds).
      * Will be used for fraud detection.
      */
     @IsInt()
diff --git a/src/models/entities/Track.ts b/src/models/entities/Track.ts
index 3f05262..df18762 100644
--- a/src/models/entities/Track.ts
+++ b/src/models/entities/Track.ts
@@ -40,7 +40,7 @@ export class Track {
   distance: number;
 
   /**
-   * The minimum time a runner should take to run a lap on this track.
+   * The minimum time a runner should take to run a lap on this track (in seconds).
    * Will be used for fraud detection.
    */
   @Column({ nullable: true })
diff --git a/src/models/responses/ResponseTrack.ts b/src/models/responses/ResponseTrack.ts
index 2ae34ff..27ef813 100644
--- a/src/models/responses/ResponseTrack.ts
+++ b/src/models/responses/ResponseTrack.ts
@@ -25,7 +25,7 @@ export class ResponseTrack {
     distance: number;
 
     /**
-     * The minimum time a runner should take to run a lap on this track.
+     * The minimum time a runner should take to run a lap on this track (in seconds).
      * Will be used for fraud detection.
      */
     @IsInt()