DOCS-656 review edits

Author: Bob Grabar

source/faq/developers.txt

@@ -163,20 +163,20 @@ For files on your file system, storing the files in a MongoDB database
 through GridFS provides advantages in a number of situations:
 
 - If your file system limits the number of files in a directory, you can
-  use GridFS to store as many files as needed in a directory.
+  use GridFS to store as many files as needed.
 
 - When you want to store file metadata (such as description, download
-  count, and MD5 hash) together with the file itself. GridFS stores file
-  metadata in the same bucket as the file's content.
+  count, and MD5 hash) together with the file itself. Storing the file
+  data and metadata is important in many scenarios and supported by
+  GridFS.
 
-- When you want to keep your files and metadata automatically backed up.
-  If you set up replication, MongoDB makes automatic backups of your
-  files and metadata.
+- When you want to keep your files and metadata automatically synced.
+  If you set up replication, MongoDB replicates both the files and their
+  metadata so things won't get out of sync.
 
 - When you want to access information from random sections of large
   files without having to load whole files into memory. GridFS lets you
-  access sections of files without having to read the entire file, for
-  example skipping into the middle of a video.
+  access sections of files without having to read the entire file.
 
 Do not use GridFS if a file is under the 16 MB limit and you need to
 update the file atomically. Instead, consider either: