Sync eng/common directory with azure-sdk-tools for PR 7334 (#1659)

* Fix typo

* Update TypeSpec-Project-Generate.ps1

---------

Co-authored-by: Anton Kolesnyk <41349689+antkmsft@users.noreply.github.com>

eng/common/scripts/Cadl-Project-Generate.ps1

@@ -6,7 +6,7 @@ param (
     [ValidateNotNullOrEmpty()]
     [string] $ProjectDirectory,
     [Parameter(Position=1)]
-    [string] $CadlAdditionalOptions ## addtional cadl emitter options, separated by semicolon if more than one, e.g. option1=value1;option2=value2
+    [string] $CadlAdditionalOptions ## additional cadl emitter options, separated by semicolon if more than one, e.g. option1=value1;option2=value2
 )
 
 $ErrorActionPreference = "Stop"
@@ -98,4 +98,4 @@ finally {
 $shouldCleanUp = $configuration["cleanup"] ?? $true
 if ($shouldCleanUp) {
     Remove-Item $tempFolder -Recurse -Force
-}
+}

eng/common/scripts/TypeSpec-Project-Generate.ps1

@@ -5,7 +5,7 @@ param (
     [Parameter(Position=0)]
     [ValidateNotNullOrEmpty()]
     [string] $ProjectDirectory,
-    [string] $TypespecAdditionalOptions = $null, ## addtional typespec emitter options, separated by semicolon if more than one, e.g. option1=value1;option2=value2
+    [string] $TypespecAdditionalOptions = $null, ## additional typespec emitter options, separated by semicolon if more than one, e.g. option1=value1;option2=value2
     [switch] $SaveInputs = $false ## saves the temporary files during execution, default false
 )