diff --git a/app/Http/Controllers/ExpenseController.php b/app/Http/Controllers/ExpenseController.php
index a6b887f58f00..5a702c6842e8 100644
--- a/app/Http/Controllers/ExpenseController.php
+++ b/app/Http/Controllers/ExpenseController.php
@@ -584,6 +584,52 @@ class ExpenseController extends BaseController
         return $this->itemResponse($expense->fresh());
     }
 
+    /**
+     * @OA\Post(
+     *      path="/api/v1/expenses/edocument",
+     *      operationId="edocumentExpense",
+     *      tags={"expenses"},
+     *      summary="Uploads an electronic document to a expense",
+     *      description="Handles the uploading of an electronic document to a expense",
+     *      @OA\Parameter(ref="#/components/parameters/X-API-TOKEN"),
+     *      @OA\Parameter(ref="#/components/parameters/X-Requested-With"),
+     *      @OA\Parameter(ref="#/components/parameters/include"),
+     *      @OA\RequestBody(
+     *         description="User credentials",
+     *         required=true,
+     *         @OA\MediaType(
+     *             mediaType="multipart/form-data",
+     *             @OA\Schema(
+     *                 type="array",
+     *                 @OA\Items(
+     *                     type="string",
+     *                     format="binary",
+     *                     description="The files to be uploaded",
+     *                 ),
+     *             )
+     *         )
+     *     ),
+     *      @OA\Response(
+     *          response=200,
+     *          description="Returns a HTTP status",
+     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
+     *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
+     *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
+     *       ),
+     *       @OA\Response(
+     *          response=422,
+     *          description="Validation error",
+     *          @OA\JsonContent(ref="#/components/schemas/ValidationError"),
+     *
+     *       ),
+     *       @OA\Response(
+     *           response="default",
+     *           response="default",
+     *           description="Unexpected Error",
+     *           @OA\JsonContent(ref="#/components/schemas/Error"),
+     *       ),
+     *     )
+     */
     public function edocument(EDocumentRequest $request)
     {
         $user = auth()->user();
diff --git a/app/Http/Controllers/PostMarkController.php b/app/Http/Controllers/PostMarkController.php
index 88e6812fd38e..0358a610d397 100644
--- a/app/Http/Controllers/PostMarkController.php
+++ b/app/Http/Controllers/PostMarkController.php
@@ -280,7 +280,7 @@ class PostMarkController extends BaseController
             nlog('Failed: Message could not be parsed, because required parameters are missing.');
             return response()->json(['message' => 'Failed. Missing/Invalid Parameters.'], 400);
         }
-        
+
         $company = MultiDB::findAndSetDbByExpenseMailbox($input["To"]);
 
         if (!$company) {
@@ -301,7 +301,7 @@ class PostMarkController extends BaseController
             $inboundMail = new InboundMail();
 
             $inboundMail->from = $input["From"] ?? '';
-            $inboundMail->to = $input["To"] ; // usage of data-input, because we need a single email here
+            $inboundMail->to = $input["To"]; // usage of data-input, because we need a single email here
             $inboundMail->subject = $input["Subject"] ?? '';
             $inboundMail->body = $input["HtmlBody"] ?? '';
             $inboundMail->text_body = $input["TextBody"] ?? '';
diff --git a/app/Http/Requests/Expense/EDocumentRequest.php b/app/Http/Requests/Expense/EDocumentRequest.php
index 643c3cd6fc33..410c9a716fe8 100644
--- a/app/Http/Requests/Expense/EDocumentRequest.php
+++ b/app/Http/Requests/Expense/EDocumentRequest.php
@@ -25,9 +25,9 @@ class EDocumentRequest extends Request
         $rules = [];
 
         if ($this->file('documents') && is_array($this->file('documents'))) {
-            $rules['documents.*'] = 'required|file|max:1000000|mimes:xml';
+            $rules['documents.*'] = 'required|file|max:1000000';
         } elseif ($this->file('documents')) {
-            $rules['documents'] = 'required|file|max:1000000|mimes:xml';
+            $rules['documents'] = 'required|file|max:1000000';
         }
         return $rules;
     }