diff --git a/src/models/actions/CreateScan.ts b/src/models/actions/CreateScan.ts
index ef6d0e4..e0d0efc 100644
--- a/src/models/actions/CreateScan.ts
+++ b/src/models/actions/CreateScan.ts
@@ -5,7 +5,7 @@ import { Runner } from '../entities/Runner';
 import { Scan } from '../entities/Scan';
 
 /**
- * This classed is used to create a new Scan entity from a json body (post request).
+ * This class is used to create a new Scan entity from a json body (post request).
  */
 export abstract class CreateScan {
     /**
@@ -46,6 +46,9 @@ export abstract class CreateScan {
         return newScan;
     }
 
+    /**
+     * Gets a runner based on the runner id provided via this.runner.
+     */
     public async getRunner(): Promise<Runner> {
         const runner = await getConnection().getRepository(Runner).findOne({ id: this.runner });
         if (!runner) {
diff --git a/src/models/actions/CreateScanStation.ts b/src/models/actions/CreateScanStation.ts
index 76d414a..5d93b7c 100644
--- a/src/models/actions/CreateScanStation.ts
+++ b/src/models/actions/CreateScanStation.ts
@@ -8,19 +8,18 @@ import { ScanStation } from '../entities/ScanStation';
 import { Track } from '../entities/Track';
 
 /**
- * This classed is used to create a new StatsClient entity from a json body (post request).
+ * This class is used to create a new StatsClient entity from a json body (post request).
  */
 export class CreateScanStation {
     /**
-     * The new client's description.
+     * The new station's description.
      */
     @IsString()
     @IsOptional()
     description?: string;
 
     /**
-     * The scan's associated track.
-     * This is used to determine the scan's distance.
+     * The station's associated track.
      */
     @IsInt()
     @IsPositive()
@@ -51,6 +50,10 @@ export class CreateScanStation {
         return newStation;
     }
 
+    /**
+     * Get's a track by it's id provided via this.track.
+     * Used to link the new station to a track.
+     */
     public async getTrack(): Promise<Track> {
         const track = await getConnection().getRepository(Track).findOne({ id: this.track });
         if (!track) {
diff --git a/src/models/actions/UpdateScan.ts b/src/models/actions/UpdateScan.ts
index a51ccea..00b375e 100644
--- a/src/models/actions/UpdateScan.ts
+++ b/src/models/actions/UpdateScan.ts
@@ -5,7 +5,7 @@ import { Runner } from '../entities/Runner';
 import { Scan } from '../entities/Scan';
 
 /**
- * This classed is used to create a new Scan entity from a json body (post request).
+ * This class is used to update a Scan entity (via put request)
  */
 export abstract class UpdateScan {
     /**
@@ -49,6 +49,9 @@ export abstract class UpdateScan {
         return scan;
     }
 
+    /**
+     * Gets a runner based on the runner id provided via this.runner.
+     */
     public async getRunner(): Promise<Runner> {
         const runner = await getConnection().getRepository(Runner).findOne({ id: this.runner });
         if (!runner) {
diff --git a/src/models/actions/UpdateScanStation.ts b/src/models/actions/UpdateScanStation.ts
index 24039a0..a8ebc6a 100644
--- a/src/models/actions/UpdateScanStation.ts
+++ b/src/models/actions/UpdateScanStation.ts
@@ -2,7 +2,7 @@ import { IsBoolean, IsInt, IsOptional, IsString } from 'class-validator';
 import { ScanStation } from '../entities/ScanStation';
 
 /**
- * This classed is used to create a new StatsClient entity from a json body (post request).
+ * This class is used to update a ScanStation entity (via put request)
  */
 export class UpdateScanStation {
     /**
@@ -27,8 +27,8 @@ export class UpdateScanStation {
     enabled?: boolean = true;
 
     /**
-     * Converts this to a ScanStation entity.
-     * TODO:
+     * Update a ScanStation entity based on this.
+     * @param station The station that shall be updated.
      */
     public async updateStation(station: ScanStation): Promise<ScanStation> {
         station.description = this.description;