How to skip line in tooltip?

Hello, I'm trying to put balloons with information on my SVG map (when I mouse over the map the information appears), but when I try to put information like city and phone the information line gets huge. How do I skip the line and better organize the information? Here is my code below:

html

<div id="mapa">

 <svg xmlns="http://www.w3.org/2000/svg"
 width="5.72334in" height="5.44001in"
 onload="init(evt)"
 viewBox="0 0 1717 1632"> 

       <path id="Amazonas"
         onmousemove="ShowTooltip(evt,'Manaus:(92)3231-1424')"
         onmouseout="HideTooltip()"
         fill="none" stroke="black" stroke-width="4"
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     <rect class="tooltip_bg" id="tooltip_bg" x="0" y="0" rx="4" ry="4"width="52" height="16" visibility="hidden"></rect>
     <text class="tooltip" id="tooltip" x="0" y="0" >Tooltip</text>

    </svg>
</div>

javascript

function init(evt) {
    if (window.svgDocument == null) {
        svgDocument = evt.target.ownerDocument;
    }
    tooltip = svgDocument.getElementById('tooltip');
    tooltip_bg = svgDocument.getElementById('tooltip_bg');
}

function ShowTooltip(evt, mouseovertext) 
{
    tooltip.setAttributeNS(null, "x", evt.clientX + 11);
    tooltip.setAttributeNS(null, "y", evt.clientY + 27);
    tooltip.firstChild.data = mouseovertext;
    tooltip.setAttributeNS(null, "visibility", "visible");

    length = tooltip.getComputedTextLength();
    tooltip_bg.setAttributeNS(null, "width", length + 5);
    tooltip_bg.setAttributeNS(null, "x", evt.clientX + 8);
    tooltip_bg.setAttributeNS(null, "y", evt.clientY - 20);
    tooltip_bg.setAttributeNS(null, "visibility", "visibile");
}

function HideTooltip() {
    tooltip.setAttributeNS(null, "visibility", "hidden");
    tooltip_bg.setAttributeNS(null, "visibility", "hidden");
}

CSS

.caption{
    font-size: 60px;
    font-family: Georgia, serif;
    }

.tooltip{
    font-size: 50px;
    display:block;
    white-space: pre-line;
    }

.tooltip_bg{
    fill:white;
    stroke: black; 
    height:300px;
    width:700px;
    stroke-width: 2;
    opacity: 0.85;
    }