Typo in presence leave spec

content/client-lib-development-guide/features.textile

@@ -448,7 +448,7 @@ h3(#realtime-presence). Presence
 ** @(RTP9d)@ A @PRESENCE ProtocolMessage@ with a @PresenceMessage@ with the action @UPDATE@ is sent to the Ably service. The @clientId@ attribute of the @PresenceMessage@ must not be present. Updating without an explicit @PresenceMessage#clientId@, implicitly uses the @clientId@ for the current connection
 ** @(RTP9e)@ In all other ways, this method is identical to @Presence#enter@ and should have matching tests
 * @(RTP10)@ @Presence#leave@ function:
-** @(RTP10a)@ Leaves this client from the channel and the data will be updated with the value provided. If the language permits the data argument to be omitted, then the previously set data value will be omitted as a convenience
+** @(RTP10a)@ Leaves this client from the channel and the data will be updated with the value provided. If the language permits the data argument to be omitted, then the previously set data value will be sent as a convenience
 ** @(RTP10b)@ Optionally a callback can be provided that is called for both success or failure to leave
 ** @(RTP10c)@ A @PRESENCE ProtocolMessage@ with a @PresenceMessage@ with the action @LEAVE@ is sent to the Ably service. The @clientId@ attribute of the @PresenceMessage@ must not be present. Leaving without an explicit @PresenceMessage#clientId@, implicitly uses the @clientId@ for the current connection
 ** @(RTP10d)@ If the client is not currently @ENTERED@, it will result in an error