fixed doc example

Author: mikadumont

docs/ide/reference/datetime-timespan-completion.md

@@ -1,6 +1,6 @@
 ---
 title: DateTime and TimeSpan completion through IntelliSense menu
-ms.date: 06/08/2020
+ms.date: 07/31/2020
 ms.topic: reference
 author: mikadumont
 ms.author: midumont
@@ -16,15 +16,15 @@ This refactoring applies to:
 
 - C#
 
-**What:** DateTime and TimeSpan string literal completion through IntelliSense menu.
+**What:** DateTime and TimeSpan string literal and format string completion through IntelliSense menu.
 
-**When:** You want to write a DateTime and TimeSpan string literals. IntelliSense gives you basic completion and an explanation as to what each of the characters mean. 
+**When:** You want to write a DateTime and TimeSpan string literal and format string. IntelliSense gives you basic completion and an explanation as to what each of the characters mean. 
 
 **Why:** Remembering DateTime formats is hard and IntelliSense can help you write it.
 
 ## How-to
 
-1. Place your cursor in the DateTime or TimeSpan string literal.
+1. Place your cursor in the DateTime or TimeSpan format string.
 2. Press **Ctrl**+**Space** to trigger the **IntelliSense** menu.
 3. Select the character you would like to add.