Doc update: typos in code snippets.

// Define 'where' part of query.

String selection = FeedReaderContract.FeedEntry.COLUMN_NAME_ENTRY_ID + " LIKE ?";

// Specify arguments in placeholder order.

String[] selelectionArgs = { String.valueOf(rowId) };

String[] selectionArgs = { String.valueOf(rowId) };

// Issue SQL statement.

db.delete(table_name, selection, selectionArgs);

</pre>

// Which row to update, based on the ID

String selection = FeedReaderContract.FeedEntry.COLUMN_NAME_ENTRY_ID + " LIKE ?";

String[] selelectionArgs = { String.valueOf(rowId) };

String[] selectionArgs = { String.valueOf(rowId) };

int count = db.update(

    FeedReaderDbHelper.FeedEntry.TABLE_NAME,