Merge pull request MicrosoftDocs#529 from Microsoft/extensibility

.pkgdef $RootPath$ should be $RootKey$

Author: Greg Van Liew

docs/extensibility/how-to-manage-a-private-gallery-by-using-registry-settings.md

@@ -37,7 +37,7 @@ If you are an administrator or the developer of an Isolated Shell extension, you
  You can create a .pkgdef file to control access to galleries on multiple computers. This file must have the following format.  
 
 ```  
-[$RootPath$\ExtensionManager\Repositories\{UniqueGUID}]  
+[$RootKey$\ExtensionManager\Repositories\{UniqueGUID}]  
 @={URI}  (REG_SZ)  
 Disabled=0 | 1 (DWORD)  
 Priority=0 (highest priority) ... MaxInt (lowest priority) (DWORD) (uint)  
@@ -66,15 +66,15 @@ DisplayNamePackageGuid={GUID} (REG_SZ)
  You can disable a gallery in a .pkgdef file. The following entry disables the Visual Studio Gallery:  
 
 ```  
-[$RootPath$\ExtensionManager\Repositories\{0F45E408-7995-4375-9485-86B8DB553DC9}]  
+[$RootKey$\ExtensionManager\Repositories\{0F45E408-7995-4375-9485-86B8DB553DC9}]  
 "Disabled"=dword:00000001  
   
 ```  
 
  The following entry disables the Samples Gallery:  
 
 ```  
-[$RootPath$\ExtensionManager\Repositories\{AEB9CB40-D8E6-4615-B52C-27E307F8506C}]  
+[$RootKey$\ExtensionManager\Repositories\{AEB9CB40-D8E6-4615-B52C-27E307F8506C}]  
 "Disabled"=dword:00000001  
   
 ```  

docs/extensibility/private-galleries.md

@@ -62,7 +62,7 @@ You can share the controls, templates, and tools that you develop by posting the
  An administrator can make a private gallery available to several computers at the same time by modifying the system registry on each computer. To accomplish this, create a .pkgdef file that describes the new registry keys and their values.  The format of this file is as follows.  
 
 ```  
-[$RootPath$\ExtensionManager\Repositories\{UniqueGUID}]  
+[$RootKey$\ExtensionManager\Repositories\{UniqueGUID}]  
 @={URI}  (REG_SZ)  
 Disabled=0 | 1 (DWORD)  
 Priority=0 (highest priority) ... MaxInt (lowest priority) (DWORD) (uint)