Reduce width of filter coverage tooltip

jdaviz/components/tooltip.vue

@@ -112,8 +112,8 @@ const tooltips = {
   'plugin-vo-refresh-resources': 'Search for available resources based on above constraints',
   'plugin-vo-autocenter-centered': 'Viewer is currently centered on these coordinates',
   'plugin-vo-autocenter-not-centered': 'Click to update coordinates to viewer\'s center',
-  'plugin-vo-filter-coverage': `Only show surveys that report coverage within specified radius of provided coordinates. Queries may take longer to process<br /><br />
-    <div style="border: 1px solid gray;" class="pa-2">
+  'plugin-vo-filter-coverage': `Only show surveys that report coverage within radius of coordinates.<br />Queries may take longer to process.<br /><br />
+    <div style="border: 1px solid gray; max-width: 400px;" class="pa-2">
       <strong>Note:</strong>
       Surveys which have not implemented coverage information will also be excluded. If you are expecting a survey that doesn't appear, try disabling coverage filtering.
     </div>`