Fix rule suppression documentation

Author: Kapil Borle

README.md

@@ -70,11 +70,11 @@ To confirm installation: run ```Get-ScriptAnalyzerRule``` in the PowerShell cons
 Suppressing Rules
 =================
 
-You can suppress a rule by decorating a script/function or script/function parameter with .NET's [SuppressMessageAttribute](https://msdn.microsoft.com/en-us/library/system.diagnostics.codeanalysis.suppressmessageattribute.aspx).  `SuppressMessageAttribute`'s constructor takes two parameters: a category and a check ID. Set the `categoryID` parameter to the name of the rule you want to suppress (you may omit the `checkID` parameter):
+You can suppress a rule by decorating a script/function or script/function parameter with .NET's [SuppressMessageAttribute](https://msdn.microsoft.com/en-us/library/system.diagnostics.codeanalysis.suppressmessageattribute.aspx).  `SuppressMessageAttribute`'s constructor takes two parameters: a category and a check ID. Set the `categoryID` parameter to the name of the rule you want to suppress and set the `checkID` parameter to a null or empty string:
 
     function SuppressMe()
     {
-        [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSProvideCommentHelp")]
+        [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSProvideCommentHelp", "")]
         param()
 
         Write-Verbose -Message "I'm making a difference!"