fix typo

src/components/GlacierScanViz.vue

@@ -97,7 +97,7 @@
 
                 crossSectionSVG
                     .append("title")
-                    .text("A shaded-reliefe map of the Juneau Ice Field, with markers indicating the location of ice cores and field photos. Beneath the map is a cross-section of the icefield, showing how the ice field covers the terrain. In places, the ice field is close to a kilometer thick.");
+                    .text("A shaded-relief map of the Juneau Ice Field, with markers indicating the location of ice cores and field photos. Beneath the map is a cross-section of the icefield, showing how the ice field covers the terrain. In places, the ice field is close to a kilometer thick.");
 
                 // hide some components from view and from screen reader
                 crossSectionSVG.select("#tutorial-dt-1")