Removed some inaccuracies from the docs.

README.markdown

@@ -72,7 +72,7 @@ Executing updates returns a single value, a `BOOL`.  A return value of `YES` mea
 
 A `SELECT` statement is a query and is executed via one of the `-executeQuery...` methods.
 
-Executing queries returns an `FMResultSet` object if successful, and `nil` upon failure.  Like executing updates, there is a variant that accepts an `NSError **` parameter.  Otherwise you should use the `-lastErrorMessage` and `-lastErrorCode` methods to determine why a query failed.
+Executing queries returns an `FMResultSet` object if successful, and `nil` upon failure.  You should use the `-lastErrorMessage` and `-lastErrorCode` methods to determine why a query failed.
 
 In order to iterate through the results of your query, you use a `while()` loop.  You also need to "step" from one record to the other.  With FMDB, the easiest way to do that is like this: