dotnet new install --help incorrectly suggests :: instead of @ for version

[bradwilson]

Describe the bug

This is the text from dotnet new install -?:

This is the text when using this syntax:

The help text should be updated to say to use @ instead of ::.

Further technical details

details of dotnet --info

.NET SDK:
 Version:           10.0.201
 Commit:            4d3023de60
 Workload version:  10.0.200-manifests.121cc9e6
 MSBuild version:   18.3.0-release-26153-122+4d3023de6
Runtime Environment:

OS Name:     Windows

OS Version:  10.0.26200

OS Platform: Windows

RID:         win-x64

Base Path:   C:\Program Files\dotnet\sdk\10.0.201\
.NET workloads installed:

There are no installed workloads to display.

Configured to use workload sets when installing new manifests.

No workload sets are installed. Run "dotnet workload restore" to install a workload set.
Host:

Version:      10.0.5

Architecture: x64

Commit:       a612c2a105
.NET SDKs installed:

8.0.419 [C:\Program Files\dotnet\sdk]

9.0.312 [C:\Program Files\dotnet\sdk]

10.0.201 [C:\Program Files\dotnet\sdk]
.NET runtimes installed:

Microsoft.AspNetCore.App 6.0.36 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]

Microsoft.AspNetCore.App 8.0.25 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]

Microsoft.AspNetCore.App 9.0.14 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]

Microsoft.AspNetCore.App 10.0.5 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]

Microsoft.NETCore.App 2.0.9 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]

Microsoft.NETCore.App 6.0.36 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]

Microsoft.NETCore.App 8.0.25 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]

Microsoft.NETCore.App 9.0.14 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]

Microsoft.NETCore.App 10.0.5 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]

Microsoft.WindowsDesktop.App 6.0.36 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]

Microsoft.WindowsDesktop.App 8.0.25 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]

Microsoft.WindowsDesktop.App 9.0.14 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]

Microsoft.WindowsDesktop.App 10.0.5 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Other architectures found:

x86   [C:\Program Files (x86)\dotnet]

registered at [HKLM\SOFTWARE\dotnet\Setup\InstalledVersions\x86\InstallLocation]
Environment variables:

DOTNET_CLI_TELEMETRY_OPTOUT              [1]

DOTNET_SKIP_FIRST_TIME_EXPERIENCE        [1]
global.json file:

C:\Dev\repro\empty\global.json
Learn more:

https://aka.ms/dotnet/info
Download .NET:

https://aka.ms/dotnet/download