diff --git a/src/services/Todos.ts b/src/services/Todos.ts
index 1e9e0320..1fe1b34c 100644
--- a/src/services/Todos.ts
+++ b/src/services/Todos.ts
@@ -1,23 +1,20 @@
 import { BaseService, RequestHelper } from '../infrastructure';
 
-interface TodosOptions {
-  todoId?: string;
-}
 class Todos extends BaseService {
   all(options) {
     return RequestHelper.get(this, 'todos', options);
   }
 
-  create(projectId, mergerequestId) {
-    const [pId, mId] = [projectId, mergerequestId].map(encodeURIComponent);
-
-    return RequestHelper.post(this, `projects/${pId}/merge_requests/${mId}/todo`);
+  create(projectId: number, mergerequestId: number) {
+    return RequestHelper.post(this, `projects/${projectId}/merge_requests/${mergerequestId}/todo`);
   }
 
-  done({ todoId }: TodosOptions = {}) {
-    const tId = encodeURIComponent(todoId);
+  done({ todoId }: { todoId?: number } = {}) {
+    let url = 'mark_as_done';
 
-    return RequestHelper.delete(this, `todos/${tId}/mark_as_done`);
+    if (todoId) url = `${todoId}/${url}`
+     
+    return RequestHelper.delete(this, `todos/${url}`);
   }
 }