Updated README

README.md

@@ -23,18 +23,29 @@ This application can be downloaded in two formats. You can download either the A
  2. Double click on the downloaded DMG file
  3. Drag OpenInTerminal.app to the Applications folder
  4. Open a new Finder Window
- 5. Browse to your Applications folder from the sidebar or Press ⌘ + ⇧ + I on your Keyboard
- 6. Find OpenInTerminal.app and drag it into the Finder toolbar (For OSX Mavericks - Press ⌘ and then perform drag operation)
+ 5. Browse to your Applications folder from the sidebar or Press Command + Shift + I (⌘ + ⇧ + I) on your Keyboard
+ 6. Find OpenInTerminal.app and drag it into the Finder toolbar (For OSX Mavericks - Press Command ⌘ and then perform drag operation)
 
 ##### Zipped Archive (.zip)
  1. Download [OpenInTerminal.zip](https://github.com/nmadhok/OpenInTerminal/releases/latest)
  2. Double click on the downloaded archive to extract it
  3. Open a new finder window 
  4. Browse to the extracted folder and then copy OpenInTerminal.app to your Applications folder
- 5. Browse to your Applications folder from the sidebar or Press ⌘ + ⇧ + I on your Keyboard
- 6. Find OpenInTerminal.app and drag it into the Finder toolbar (For OSX Mavericks - Press ⌘ and then perform drag operation)
+ 5. Browse to your Applications folder from the sidebar or Press Command + Shift + I (⌘ + ⇧ + I) on your Keyboard
+ 6. Find OpenInTerminal.app and drag it into the Finder toolbar (For OSX Mavericks - Press Command ⌘ and then perform drag operation)
 
 <img src="https://raw.github.com/nmadhok/OpenInTerminal/master/.images/add-to-finder-toolbar.gif"/>
 
 ### Usage:
-Using this application is very simple. Just browse to the file/folder or select multiple files/folders in Finder and then click on this application's icon present in your Finder's toolbar. 
+Using this application is very simple. Just browse to the file/folder or select multiple files/folders in Finder and then click on this application's icon in your Finder's toolbar. 
+
+After you open the application by clicking on the application icon, if you get one of the following error messages:
+ * “OpenInTerminal.app” can't be opened because it is from an unidentified developer
+ * “OpenInTerminal.app” can’t be opened because it was not downloaded from the Mac App Store
+
+Then, follow these steps:
+ 1. Open a new finder window 
+ 2. Browse to your Applications folder from the sidebar or Press Command + Shift + I (⌘ + ⇧ + I) on your Keyboard
+ 3. Find OpenInTerminal.app and Control-click or right click on the icon
+ 4. Select Open from the top of contextual menu that appears
+ 5. Click Open in the dialog box. If prompted, enter your administrator name and password