Fix NOTE callout: split sentences onto separate lines and clarify SDK wording

Agent-Logs-Url: https://github.com/NuGet/docs.microsoft.com-nuget/sessions/fb315408-71ec-4855-9659-2ccef746bb0d

Co-authored-by: Nigusu-Allehu <[email protected]>

Author: Copilot

docs/release-notes/NuGet-7.4.md

@@ -16,7 +16,8 @@ NuGet distribution vehicles:
 | [**7.4.1**](https://nuget.org/downloads) | [Visual Studio 2026 version 18.4.4](https://visualstudio.microsoft.com/downloads/) | N/A |
 
 > [!NOTE]
-> Visual Studio-only release. NuGet SDK packages are published quarterly with .NET.
+> Visual Studio-only release.
+> NuGet updates included in the .NET SDK ship with .NET releases.
 
 ## Summary: What's New in 7.4.1
 

docs/release-notes/NuGet-7.5.md

@@ -15,7 +15,8 @@ NuGet distribution vehicles:
 | [**7.5.0**](https://nuget.org/downloads) | [Visual Studio 2026 version 18.5.0](https://visualstudio.microsoft.com/downloads/) | N/A |
 
 > [!NOTE]
-> Visual Studio-only release. NuGet SDK packages are published quarterly with .NET.
+> Visual Studio-only release.
+> NuGet updates included in the .NET SDK ship with .NET releases.
 
 ## Summary: What's New in 7.5.0