- * @param context The current appContext\r
- * @return The current account or first available, if none is available,\r
- * then null.\r
+ * @param context The current application {@link Context}\r
+ * @return The ownCloud {@link Account} currently saved in preferences, or the first \r
+ * {@link Account} available, if valid (still registered in the system as ownCloud \r
+ * account). If none is available and valid, returns null.\r