DOCS-869: record size language changes

Author: Sam Kleinman

source/core/write-operations.txt

@@ -352,13 +352,13 @@ increase the size of a document slightly without causing the document
 to outgrow the allocated record size.
 
 Documents in MongoDB can grow up to the full maximum :limit:`BSON
-document size <BSON Document Size>`; however, when documents outgrow
-their record size MongoDB must allocate a new record and move the
-document to the new record. Update operations that do not cause a
-document to grow, (i.e. *in-place* updates,) are significantly more
-efferent than those updates that cause document growth. Use :doc:`data
-models </core/data-modeling>` that minimize the need for document
-growth when possible.
+document size <BSON Document Size>`. However, when documents outgrow
+their allocated record size MongoDB must allocate a new record and
+move the document to the new record. Update operations that do not
+cause a document to grow, (i.e. *in-place* updates,) are significantly
+more efficient than those updates that cause document growth. Use
+:doc:`data models </core/data-modeling>` that minimize the need for
+document growth when possible.
 
 For complete examples of update operations, see
 :doc:`/applications/update`. 

source/faq/storage.txt

@@ -162,7 +162,7 @@ inserted into the database. Consider the following possible causes:
 
 - Empty records.
 
-  MongoDB maintains lists of empty record blocks in data files when
+  MongoDB maintains lists of empty records in data files when
   deleting documents and collections. MongoDB can reuse this space,
   but will never return this space to the operating system.