(maint) Make threshold limit text clearer

[pauby]

Description Of Changes

Updated the threshold text to make it easier to understand.

Motivation and Context

The text that Chocolatey CLI displays can be confusing. Particularly, when the search result shows less than 1000 packages on-screen (as they have been filtered out).

Testing

N/A

Operating Systems Testing

N/A

Change Types Made

• Bug fix (non-breaking change).
• Feature / Enhancement (non-breaking change).
• Breaking change (fix or feature that could cause existing functionality to change).
• Documentation changes.
• PowerShell code changes.

Change Checklist

• Requires a change to the documentation.
• Documentation has been updated.
• Tests to cover my changes, have been added.
• All new and existing tests passed?
• PowerShell code changes: PowerShell v3 compatibility checked?

Related Issue

N/A

[pauby]

@gep13 this is a change that we had discussed a little while ago related to #3502.