DOCS-665 minor

Author: Bob Grabar

source/applications/optimization.txt

@@ -137,14 +137,9 @@ than updating a document on the client side. Specifically, using
 a field in your application, and then writing the entire document back
 to the server.
 
-.. note:: Two threads using :operator:`$inc` to increment the same value
-   can cause a race condition.
-
-Typically these operations also are fast because they don't require
-sending data between the clients.
-
-.. DELETED: nor moving the record in the data store, as would occur if incrementing
-   the value increased the size of the document on disk.
+The :operator:`$inc` operator also avoids race conditions, as would
+occur if two threads simultaneously queried for a document, manually
+incremented a field, and saved the entire document back.
 
 Perform Server-Side Code Execution
 ----------------------------------
@@ -156,7 +151,7 @@ documents in a collection, performing the operation directly on the
 server is more efficient than transmitting the collection to your client
 and back again.
 
-For more information, see :wiki:`Server-side+Code+Execution`.
+For more information, see :wiki:`Server-side Code Execution <Server-side+Code+Execution>`.
 
 Use Capped Collections
 ----------------------