minor: edit to write concern page

Sam Kleinman · Sam Kleinman · commit 9a30c0414025 · 2012-11-16T15:36:03.000-05:00
diff --git a/draft/core/write-operations.txt b/draft/core/write-operations.txt
@@ -371,8 +371,8 @@ For more information on replica sets and write operations, see
 
 .. [#write-concern-throttling] Calling :dbcommand:`getLastError`
    intermittently with a ``w`` value of ``2`` or ``majority`` will
-   slow the throughput of the write operation; however, this practice
-   will allow the secondaries to remain current with the state of the
+   slow the throughput of write traffic; however, this practice will
+   allow the secondaries to remain current with the state of the
    primary.
 
 .. _write-operations-sharded-clusters:
