Fix a typo in help (#12183)

Author: dolauli

src/Functions/custom/New-AzFunctionAppPlan.ps1

@@ -22,7 +22,7 @@ function New-AzFunctionAppPlan {
         [System.String]
         ${SubscriptionId},
 
-        [Parameter(Mandatory=$true, HelpMessage='The plan sku. Valid inputs are: EP1, P2, EP3')]
+        [Parameter(Mandatory=$true, HelpMessage='The plan sku. Valid inputs are: EP1, EP2, EP3')]
         [Microsoft.Azure.PowerShell.Cmdlets.Functions.Category('Body')]
         [ArgumentCompleter([Microsoft.Azure.PowerShell.Cmdlets.Functions.Support.SkuType])]
         [ValidateNotNullOrEmpty()]

src/Functions/custom/Update-AzFunctionAppPlan.ps1

@@ -27,7 +27,7 @@ function Update-AzFunctionAppPlan {
         [ValidateNotNull()]
         ${InputObject},
 
-        [Parameter(HelpMessage='The plan sku. Valid inputs are: EP1, P2, EP3')]
+        [Parameter(HelpMessage='The plan sku. Valid inputs are: EP1, EP2, EP3')]
         [Microsoft.Azure.PowerShell.Cmdlets.Functions.Category('Body')]
         [ArgumentCompleter([Microsoft.Azure.PowerShell.Cmdlets.Functions.Support.SkuType])]
         [ValidateNotNullOrEmpty()]

src/Functions/help/New-AzFunctionAppPlan.md

@@ -161,7 +161,7 @@ Accept wildcard characters: False
 
 ### -Sku
 The plan sku.
-Valid inputs are: EP1, P2, EP3
+Valid inputs are: EP1, EP2, EP3
 
 ```yaml
 Type: System.String

src/Functions/help/Update-AzFunctionAppPlan.md

@@ -166,7 +166,7 @@ Accept wildcard characters: False
 
 ### -Sku
 The plan sku.
-Valid inputs are: EP1, P2, EP3
+Valid inputs are: EP1, EP2, EP3
 
 ```yaml
 Type: System.String