diff --git a/README.md b/README.md
index d98e664..11ba1ac 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 
 This plugin was developed to cover my initial needs and rename a bunch of files and update their reference in code base respectively. So now you can rename a bunch of files from the directory and all imports also will be updated in a code-base
 
-![img.png](documentation/assets/img.png)
+![](documentation/assets/Animation.gif)
 
 > Under the hood this plugin is using obsidian API for renaming, but we just applying it for many files
 
diff --git a/documentation/assets/Animation.gif b/documentation/assets/Animation.gif
new file mode 100644
index 0000000..628a324
Binary files /dev/null and b/documentation/assets/Animation.gif differ
diff --git a/main.ts b/main.ts
index e912d60..327d350 100644
--- a/main.ts
+++ b/main.ts
@@ -193,7 +193,7 @@ class BulkRenameSettingsTab extends PluginSettingTab {
         button.setButtonText('Rename');
         button.onClick(async () => {
           button.setDisabled(true);
-          renameFilesInObsidian(this.app, this.plugin);
+          await renameFilesInObsidian(this.app, this.plugin);
           this.display();
         });
       });
diff --git a/src/services/file.service.ts b/src/services/file.service.ts
index a8fea77..0e452d1 100644
--- a/src/services/file.service.ts
+++ b/src/services/file.service.ts
@@ -65,7 +65,7 @@ export const replaceFilePath = (plugin: BulkRenamePlugin, file: TFile) => {
   return `${newPath}.${file.extension}`;
 };
 
-export const renameFilesInObsidian = (app: App, plugin: BulkRenamePlugin) => {
+export const renameFilesInObsidian = async (app: App, plugin: BulkRenamePlugin) => {
   const { replacePattern, existingSymbol } = plugin.settings;
 
   if (!existingSymbol) {
@@ -85,7 +85,7 @@ export const renameFilesInObsidian = (app: App, plugin: BulkRenamePlugin) => {
 
   new Notice('renaming has been started');
   for (const fileName of plugin.settings.fileNames) {
-    app.fileManager.renameFile(fileName, replaceFilePath(plugin, fileName));
+    await app.fileManager.renameFile(fileName, replaceFilePath(plugin, fileName));
   }
   new Notice('successfully renamed all files');
 };
diff --git a/src/services/file.services.test.ts b/src/services/file.services.test.ts
index 77575db..fac9ddf 100644
--- a/src/services/file.services.test.ts
+++ b/src/services/file.services.test.ts
@@ -9,7 +9,6 @@ describe('File Services', () => {
     it.todo('should display notification after renaming');
   });
   describe('Validation', () => {
-    it.todo('should display notification if there an error');
     it.todo('should display notification if there an error');
     it.todo("should display notification if Existing Symbol doesn't exists");
     it.todo(