Merge pull request #103043 from ggailey777/patch-5

Clarify that version 2.0 is for the host.json schema

Author: PRMerger10

articles/azure-functions/functions-host-json.md

@@ -9,7 +9,7 @@ ms.date: 01/06/2020
 
 > [!div class="op_single_selector" title1="Select the version of the Azure Functions runtime you are using: "]
 > * [Version 1](functions-host-json-v1.md)
-> * [Version 2](functions-host-json.md)
+> * [Version 2+](functions-host-json.md)
 
 The *host.json* metadata file contains global configuration options that affect all functions for a function app. This article lists the settings that are available starting with version 2.x of the Azure Functions runtime.  
 
@@ -22,7 +22,7 @@ Some host.json settings are only used when running locally in the [local.setting
 
 ## Sample host.json file
 
-The following sample *host.json* file has all possible options specified (excluding any that are for internal use only).
+The following sample *host.json* file for version 2.x+ has all possible options specified (excluding any that are for internal use only).
 
 ```json
 {
@@ -372,7 +372,7 @@ Configuration settings for Singleton lock behavior. For more information, see [G
 
 ## version
 
-The version string `"version": "2.0"` is required for a function app that targets the v2 runtime.
+This value indicates the schema version of host.json. The version string `"version": "2.0"` is required for a function app that targets the v2 runtime, or a later version. There are no host.json schema changes between v2 and v3.
 
 ## watchDirectories