diff --git a/src/main/java/seedu/address/MainApp.java b/src/main/java/seedu/address/MainApp.java
index 05fffa41840..a1e46ebfa4b 100644
--- a/src/main/java/seedu/address/MainApp.java
+++ b/src/main/java/seedu/address/MainApp.java
@@ -38,7 +38,7 @@ public class MainApp extends Application {
 
     public static final String APP_NAME = "NUSContacts";
 
-    public static final Version VERSION = new Version(1, 3, 0, false);
+    public static final Version VERSION = new Version(1, 4, 0, false);
 
     private static final Logger logger = LogsCenter.getLogger(MainApp.class);
 
diff --git a/src/main/java/seedu/address/logic/parser/DeleteCommandParser.java b/src/main/java/seedu/address/logic/parser/DeleteCommandParser.java
index c4f9d006a19..8a403c572bf 100644
--- a/src/main/java/seedu/address/logic/parser/DeleteCommandParser.java
+++ b/src/main/java/seedu/address/logic/parser/DeleteCommandParser.java
@@ -23,8 +23,7 @@ public DeleteCommand parse(CommandPart args) throws ParseException {
             List<Index> indices = ParserUtil.parseIndices(args, ",");
             return new DeleteCommand(indices);
         } catch (ParseException pe) {
-            throw new ParseException(
-                    String.format(MESSAGE_INVALID_COMMAND_FORMAT, DeleteCommand.MESSAGE_USAGE), pe);
+            throw new ParseException(pe.getMessage(), pe);
         }
     }
 }
diff --git a/src/main/java/seedu/address/logic/parser/ParserUtil.java b/src/main/java/seedu/address/logic/parser/ParserUtil.java
index 52fe3f33f8a..4e831a2e80a 100644
--- a/src/main/java/seedu/address/logic/parser/ParserUtil.java
+++ b/src/main/java/seedu/address/logic/parser/ParserUtil.java
@@ -28,7 +28,7 @@
 public class ParserUtil {
 
     public static final String MESSAGE_INVALID_INDEX = "Index is not a non-zero unsigned integer.";
-    public static final String MESSAGE_DUPLICATE_INDEX = "There is a duplicate Index listed.";
+    public static final String MESSAGE_DUPLICATE_INDEX = "There is a duplicate index listed.";
     public static final String MESSAGE_ROLE_CONSTRAINTS =
             "Roles should be either 'STUDENT', 'TA', or 'PROFESSOR', or an unambiguous prefix of it.";
     /**