[NRRPLT-8288] restore comment, correct typo

src/services/experiments/execution/experiment-execution-service.js

@@ -60,6 +60,7 @@ class ExperimentExecutionService extends HttpService {
 
     let brainProcesses = launchSingleMode ? 1 : experiment.configuration.brainProcesses;
 
+    //TODO: placeholder, register actual progress callback later
     let progressCallback = (msg) => {
       if (msg && msg.progress) {
         if (msg.progress.done) {

src/services/experiments/files/import-experiment-service.js

@@ -11,7 +11,7 @@ const scanStorageURL = `${config.api.proxy.url}${endpoints.proxy.storage.scanSto
  * The Import Experiment Service performs the requests (Extract),
  * processes data such as zip or folder (Transform),
  * and passes them to the Import Experiment Component (Load).
- * Errors are handled by communicating witht he Error Handler Service.
+ * Errors are handled by communicating with the Error Handler Service.
  */
 
 let _instance = null;