Line 192 Single Quote Breaks Example (#1930)

* Line 192  Single Quote Breaks Example

* clarified the example for -Regex

Author: YuriySamorodov

reference/5.1/Microsoft.PowerShell.Core/About/about_Switch.md

@@ -1,5 +1,5 @@
 ---
-ms.date:  2017-12-01
+ms.date:  2017-12-06
 schema:  2.0.0
 locale:  en-us
 keywords:  powershell,cmdlet
@@ -167,9 +167,9 @@ Switch has the following parameters:
 |             |condition. Wildcard and Exact are ignored. Also, if the    |
 |             |match clause is not a string, this parameter is ignored.   |
 
+In this example, there is no matching case so there is no output.
 
 ```powershell
-Example:
    PS> switch ("fourteen")
        {
            1 {"It is one."; Break}
@@ -179,7 +179,12 @@ Example:
            3 {"Three again."; Break}
            "fo*" {"That's too many."}
        }
+```
+
+For the word "fourteen" to match a case you must use the **-Wildcard** or
+**-Regex** parameter.
 
+```powershell
    PS> switch -Regex ("fourteen")
        {
            1 {"It is one."; Break}
@@ -189,6 +194,11 @@ Example:
            3 {"Three again."; Break}
            "fo*" {"That's too many."}
        }
+ ```
+ 
+ Result:
+ 
+ ```Output
 That's too many.
 ```