fix: master to parent language

src/markdown-pages/build-apps/permission-manage-apps.mdx

@@ -122,6 +122,6 @@ In general, the flow of control moves downstream:
 
 ![Master/Sub-account example](../../images/build-an-app/parent-child-accounts-nerdpacks.png)
 
-In this example scenario **A**, the master account publishes a Nerdpack. This means that all three accounts, **Master**, **Account 1**, and **Account 2**, can subscribe to it. If you subscribe the master account to the Nerdpack, then users of all three accounts can use it. If you subscribe **Account 1** to it, only **Account 1** users can use it, because neither **Master** nor **Account 2** is downstream in the hierarchy.
+In this example scenario **A**, the parent account publishes a Nerdpack. This means that all three accounts, **Parent**, **Child account 1**, and **Child account 2**, can subscribe to it. If you subscribe the parent account to the Nerdpack, then users of all three accounts can use it. If you subscribe **Child account 1** to it, only **Child account 1** users can use it, because neither **Parent** nor **Child account 2** is downstream in the hierarchy.
 
 In scenario **B**, the child account, **Child account 1**, publishes a Nerdpack, so you can't use or subscribe to the Nerdpack from **Parent** or **Child account 2**.