Fix the DSC overview URL in a markdown file and some small cleanup changes (#16629)

build.psm1

@@ -2238,7 +2238,7 @@ function Start-ResGen
 }
 
 function Find-Dotnet() {
-    Write-Verbose -Verbose "In Find-DotNet"
+    Write-Verbose "In Find-DotNet"
 
     $originalPath = $env:PATH
     $dotnetPath = if ($environment.IsWindows) { "$env:LocalAppData\Microsoft\dotnet" } else { "$env:HOME/.dotnet" }
@@ -2258,7 +2258,7 @@ function Find-Dotnet() {
         $dotnetCLIInstalledVersion = Get-LatestInstalledSDK
         Pop-Location
 
-        Write-Verbose -Verbose "dotnetCLIInstalledVersion = $dotnetCLIInstalledVersion`nchosenDotNetVersion = $chosenDotNetVersion"
+        Write-Verbose "dotnetCLIInstalledVersion = $dotnetCLIInstalledVersion; chosenDotNetVersion = $chosenDotNetVersion"
 
         if ($dotnetCLIInstalledVersion -ne $chosenDotNetVersion) {
             Write-Warning "The 'dotnet' in the current path can't find SDK version ${dotnetCLIRequiredVersion}, prepending $dotnetPath to PATH."

demos/DSC/readme.md

@@ -1,6 +1,6 @@
 # DSC MOF Compilation Demo
 
-[PowerShell Desired State Configuration](https://docs.microsoft.com/powershell/scripting/dsc/overview/overview) is a declarative configuration platform for Windows and Linux.
+[PowerShell Desired State Configuration](https://docs.microsoft.com/powershell/scripting/dsc/overview) is a declarative configuration platform for Windows and Linux.
 DSC configurations can be authored in PowerShell and compiled into the resultant MOF document.
 
 This demo shows use of PowerShell to author a DSC configuration to set the configuration of an Apache web server. PowerShell scripting is used to assess distribution and version-specific properties,

src/Microsoft.PowerShell.ConsoleHost/host/msh/UpdatesNotification.cs

@@ -108,7 +108,7 @@ namespace Microsoft.PowerShell
                 // We calculate how much whitespace we need to make it look nice
                 if (hostUI.SupportsVirtualTerminal)
                 {
-                    // Use Warning Color
+                    // Swaps foreground and background colors.
                     notificationColor = "\x1B[7m";
                     resetColor = "\x1B[0m";
 

src/System.Management.Automation/engine/parser/Parser.cs

@@ -6735,7 +6735,7 @@ namespace System.Management.Automation.Language
                 SkipToken();
                 SkipNewlines();
 
-                // We have seen the ternary operator '?' and now expecting the 'IfFalse' expression.
+                // We have seen the ternary operator '?' and now expecting the 'IfTrue' expression.
                 ExpressionAst ifTrue = ExpressionRule(endNumberOnTernaryOpChars: true);
                 if (ifTrue == null)
                 {