[Cassandra Wiki] Trivial Update of "API" by JoeStump

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The following page has been changed by JoeStump:
http://wiki.apache.org/cassandra/API

The comment on the change is:
Added notes about returning to the client and formatting.

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  '''WARNING:''' Some SQL/RDBMS terminology being used in this documentation for analogy purposes. They should be thought of as just that; analogies. There are few similarities between how data is managed in a traditional RDBMS and Cassandra. Please see DataModel for more information.
  
  == Terminology / Abbreviations ==
-  Keyspace:: Contains multiple Column Families
+  Keyspace:: Contains multiple Column Families.
-  CF:: ColumnFamily.
+  CF:: !ColumnFamily.
-  SCF:: ColumnFamily of type "Super".
+  SCF:: !ColumnFamily of type "Super".
  
  == Exceptions ==
   NotFoundException:: A specific column was requested that does not exist.
@@ -26, +26 @@

  ==== Write ====
  
  ||'''Level'''||'''Behavior'''||
- ||`ZERO`||Only ensure that the write has been written to the commit log.||
+ ||`ZERO`||Only ensure that the write has been written to the commit log before responding to the client.||
- ||`ONE`||Ensure that the write has been written to at least 1 node's commit log and memory table.||
+ ||`ONE`||Ensure that the write has been written to at least 1 node's commit log and memory table before responding to the client.||
- ||`QUORUM`||Ensure that the write has been written to `<ReplicationFactor> / 2 + 1` nodes.||
+ ||`QUORUM`||Ensure that the write has been written to `<ReplicationFactor> / 2 + 1` nodes before responding to the client.||
- ||`ALL`||Ensure that the write is written to `<ReplicationFactor>` nodes.||
+ ||`ALL`||Ensure that the write is written to `<ReplicationFactor>` nodes before responding to the client.||
  
  ==== Read ====