Merge pull request #4274 from MicrosoftDocs/repo_sync_working_branch

Confirm merge from repo_sync_working_branch to master to sync with https://github.com/MicrosoftDocs/visualstudio-docs (branch master)

docs/msbuild/msbuild-properties.md

@@ -53,7 +53,7 @@ Properties are name-value pairs that can be used to configure builds. Properties
  For more information, see [How to: Use environment variables in a build](../msbuild/how-to-use-environment-variables-in-a-build.md).
 
 ## Registry properties
- You can read system registry values by using the following syntax, where `Hive` is the registry hive (for example, **HKEY_LOCAL_MACHINE**), `Key` is the key name, `SubKey` is the subkey name, and `Value` is the value of the subkey.
+ You can read system registry values by using the following syntax, where `Hive` is the registry hive (for example, **HKEY_LOCAL_MACHINE**), `MyKey` is the key name, `MySubKey` is the subkey name, and `Value` is the value of the subkey.
 
 ```xml
 $(registry:Hive\MyKey\MySubKey@Value)

docs/rtvs/r-projects-in-visual-studio.md

@@ -51,7 +51,7 @@ If you have an existing folder of *.R* files that you want to manage in a projec
 
 1. Create a new project in Visual Studio as in the previous section.
 1. Copy your files into the project folder.
-1. In the Visual Studio Solution Explorer, right-click the project, select **Add** > **Exiting Item**, and browse to the files you want to add. Those files appear in your project tree after selecting **OK**.
+1. In the Visual Studio Solution Explorer, right-click the project, select **Add** > **Existing Item**, and browse to the files you want to add. Those files appear in your project tree after selecting **OK**.
 1. To organize code into subfolders, right-click the project, select **Add** > **New Folder** first, then copy your files into that folder and add those existing items in step 3.
 
 ## Project properties