mgcp_client: fix typo in doxygen comment

Change-Id: I4431502ebbaa980f2abfdb98acba0f55ca658292
diff --git a/src/libosmo-mgcp-client/mgcp_client.c b/src/libosmo-mgcp-client/mgcp_client.c
index 2bed90f..74b9cf7 100644
--- a/src/libosmo-mgcp-client/mgcp_client.c
+++ b/src/libosmo-mgcp-client/mgcp_client.c
@@ -1492,7 +1492,7 @@
 	return (mgcp_trans_id_t)msg->cb[MSGB_CB_MGCP_TRANS_ID];
 }
 
-/*! Get the configuration parameters a given MGCP client instance
+/*! Get the configuration parameters for a given MGCP client instance
  *  \param[in] mgcp MGCP client descriptor.
  *  \returns configuration */
 struct mgcp_client_conf *mgcp_client_conf_actual(struct mgcp_client *mgcp)