Minor language updates

docs/SnapshotTesting.md

@@ -121,14 +121,14 @@ You can try out this functionality by cloning the
 [snapshot example](https://github.com/facebook/jest/tree/master/examples/snapshot),
 modifying the `Link` component, and running Jest.
 
-#### Interactive Updates
+### Interactive Snapshot Mode
 
-The snapshots of one test file can be updated in the Jest watch mode:
+Failed snapshots can also be updated interactively in watch mode:
 
 ![](/jest/img/content/interactiveSnapshot.png)
 
-Once you enter the Interactive Snapshot Updates mode, Jest will walk you through
-the failed snapshots one test file at a time and give you an opportunity to
+Once you enter the Interactive Snapshot Mode, Jest will step you through
+the failed snapshots one test suite at a time and give you the opportunity to
 review the failed output.
 
 From here you can choose to update that snapshot or skip to the next: