static String makeDetailsString(InstructionFromSet instructionFromSet, String instructionDescription) {
        StringBuilder descriptionBuilder = new StringBuilder();
        descriptionBuilder
                .append("<html>\n")
                .append("<p style=\"width:250px\">").append(instructionDescription).append("</p>").append("\n")
                .append("&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;")
                .append("<table border=\"1\" style=\"width:150px\">\n")
                .append("<tr>")
                .append("<td>").append("Takes data operand: ").append("</td>").append("<td>").append(instructionFromSet.instruction.isDataOperandNeeded() ? "yes" : "no").append("</td>").append("\n")
                .append("</tr>")
                .append("<tr>")
                .append("<td>").append("     Takes address operand: ").append("</td>").append("<td>").append(instructionFromSet.instruction.isPageNumberOperandNeeded() ? "yes" : "no").append("</td>").append("\n")
                .append("</tr>")
                .append("</table></html>");
        return descriptionBuilder.toString();
    }