Fix syntax for -IsDefault parameter in docs (#5156)

* Fix syntax for -IsDefault parameter in docs

Fix #5155: Updated syntax for -IsDefault parameter in documentation.

* Update documentation/Get-PnPPowerPlatformEnvironment.md

Co-authored-by: Copilot <[email protected]>

---------

Co-authored-by: Copilot <[email protected]>

Author: gautamdsheth

documentation/Get-PnPPowerPlatformEnvironment.md

@@ -45,7 +45,7 @@ This cmdlets returns all of the Power Platform environments for the current tena
 
 ### Example 2
 ```powershell
-Get-PnPPowerPlatformEnvironment -IsDefault $true
+Get-PnPPowerPlatformEnvironment -IsDefault:$true
 ```
 
 This cmdlets returns the default Power Platform environment for the current tenant.
@@ -75,10 +75,10 @@ Accept wildcard characters: False
 ```
 
 ### -IsDefault
-Allows retrieval of the default Power Platform environment by passing in `-IsDefault $true`. When passing in `-IsDefault $false` you will get all non default environments. If not provided at all, all available environments, both default and non-default, will be returned.
+Allows retrieval of the default Power Platform environment by passing in `-IsDefault:$true`. When passing in `-IsDefault:$false` you will get all non default environments. If not provided at all, all available environments, both default and non-default, will be returned.
 
 ```yaml
-Type: bool
+Type: SwitchParameter
 Parameter Sets: Default
 Aliases:
 
@@ -121,4 +121,4 @@ Accept wildcard characters: False
 
 ## RELATED LINKS
 
-[Microsoft 365 Patterns and Practices](https://aka.ms/m365pnp)
+[Microsoft 365 Patterns and Practices](https://aka.ms/m365pnp)